litmus-rt.git - The LITMUS^RT kernel.

Branch	Commit message	Author	Age
archive/unc-master-3.0	P-FP: fix BUG_ON releated to priority inheritance	Bjoern Brandenburg	13 years
archived-2013.1	uncachedev: mmap memory that is not cached by CPUs	Glenn Elliott	12 years
archived-private-master	Merge branch 'wip-2.6.34' into old-private-master	Andrea Bastoni	15 years
archived-semi-part	Merge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...	Andrea Bastoni	15 years
demo	Further refinements	Jonathan Herman	14 years
ecrts-pgm-final	Merge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...	Glenn Elliott	12 years
ecrts14-pgm-final	Merge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...	Glenn Elliott	12 years
gpusync-rtss12	Final GPUSync implementation.	Glenn Elliott	12 years
gpusync/staging	Rename IKGLP R2DGLP.	Glenn Elliott	12 years
linux-tip	Merge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...	Linus Torvalds	15 years
litmus2008-patch-series	add i386 feather-trace implementation	Bjoern B. Brandenburg	16 years
master	PSN-EDF: use inferred_sporadic_job_release_at	Bjoern Brandenburg	9 years
pgm	make it compile	Glenn Elliott	12 years
prop/litmus-signals	Infrastructure for Litmus signals.	Glenn Elliott	13 years
prop/robust-tie-break	Fixed bug in edf_higher_prio().	Glenn Elliott	13 years
staging	Fix tracepoint compilation error	Felipe Cerqueira	13 years
test	9/23/2016	Namhoon Kim	9 years
tracing-devel	Test kernel tracing events capabilities	Andrea Bastoni	16 years
v2.6.34-with-arm-patches	smsc911x: Add spinlocks around registers access	Catalin Marinas	15 years
v2015.1	Add ARM syscall def for get_current_budget	Bjoern Brandenburg	10 years
wip-2011.2-bbb	Litmus core: simplify np-section protocol	Bjoern B. Brandenburg	14 years
wip-2011.2-bbb-trace	Refactor sched_trace_log_message() -> debug_trace_log_message()	Andrea Bastoni	14 years
wip-2012.3-gpu	SOBLIV draining support for C-EDF.	Glenn Elliott	12 years
wip-2012.3-gpu-preport	pick up last C-RM file	Glenn Elliott	12 years
wip-2012.3-gpu-rtss13	Fix critical bug in GPU tracker.	Glenn Elliott	12 years
wip-2012.3-gpu-sobliv-budget-w-kshark	Proper sobliv draining and many bug fixes.	Glenn Elliott	12 years
wip-aedzl-final	Make it easier to compile AEDZL interfaces in liblitmus.	Glenn Elliott	15 years
wip-aedzl-revised	Add sched_trace data for Apative EDZL	Glenn Elliott	15 years
wip-arbit-deadline	Fix compilation bug.	Glenn Elliott	13 years
wip-aux-tasks	Description of refined aux task inheritance.	Glenn Elliott	13 years
wip-bbb	GSN-EDF & Core: improve debug TRACE'ing for NP sections	Bjoern B. Brandenburg	14 years
wip-bbb-prio-don	use correct timestamp	Bjoern B. Brandenburg	14 years
wip-better-break	Implement hash-based EDF tie-breaking.	Glenn Elliott	13 years
wip-binary-heap	Make C-EDF work with simplified binheap_delete	Glenn Elliott	13 years
wip-budget	Added support for choices in budget policy enforcement.	Glenn Elliott	15 years
wip-color	Summarize schedulability with final record	Jonathan Herman	13 years
wip-color-jlh	sched_color: Fixed two bugs causing crashing on experiment restart and a rare...	Jonathan Herman	13 years
wip-d10-hz1000	Enable HZ=1000 on District 10	Bjoern B. Brandenburg	15 years
wip-default-clustering	Feature: Make default C-EDF clustering compile-time configurable.	Glenn Elliott	15 years
wip-dissipation-jerickso	Update from 2.6.36 to 2.6.36.4	Jeremy Erickson	11 years
wip-dissipation2-jerickso	Update 2.6.36 to 2.6.36.4	Jeremy Erickson	11 years
wip-ecrts14-pgm	Merge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...	Glenn Elliott	12 years
wip-edf-hsb	last tested version	Jonathan Herman	14 years
wip-edf-os	Lookup table EDF-os	Jeremy Erickson	12 years
wip-edf-tie-break	Merge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...	Glenn Elliott	13 years
wip-edzl-critique	Use hr_timer's active checks instead of having own flag.	Glenn Elliott	15 years
wip-edzl-final	Implementation of the EDZL scheduler.	Glenn Elliott	15 years
wip-edzl-revised	Clean up comments.	Glenn Elliott	15 years
wip-events	Added support for tracing arbitrary actions.	Jonathan Herman	15 years
wip-extra-debug	DBG: add additional tracing	Bjoern B. Brandenburg	15 years
wip-fix-switch-jerickso	Attempt to fix race condition with plugin switching	Jeremy Erickson	15 years
wip-fix3	sched: show length of runqueue clock deactivation in /proc/sched_debug	Bjoern B. Brandenburg	15 years
wip-fmlp-dequeue	Improve FMLP queue management.	Glenn Elliott	14 years
wip-ft-irq-flag	Feather-Trace: keep track of interrupt-related interference.	Bjoern B. Brandenburg	14 years
wip-gpu-cleanup	Enable sched_trace log injection from userspace	Glenn Elliott	13 years
wip-gpu-interrupts	Remove option for threading of all softirqs.	Glenn Elliott	14 years
wip-gpu-rtas12	Generalized GPU cost predictors + EWMA. (untested)	Glenn Elliott	13 years
wip-gpu-rtss12	Final GPUSync implementation.	Glenn Elliott	13 years
wip-gpu-rtss12-srp	experimental changes to support GPUs under SRP	Glenn Elliott	13 years
wip-gpusync-merge	Cleanup priority tracking for budget enforcement.	Glenn Elliott	12 years
wip-ikglp	Move RSM and IKGLP imp. to own .c files	Glenn Elliott	13 years
wip-k-fmlp	Merge branch 'mpi-master' into wip-k-fmlp	Glenn Elliott	14 years
wip-kernel-coloring	Added recolor syscall	Namhoon Kim	7 years
wip-kernthreads	Kludge work-queue processing into klitirqd.	Glenn Elliott	15 years
wip-klmirqd-to-aux	Allow klmirqd threads to be given names.	Glenn Elliott	13 years
wip-kshark	Merge branch 'mpi-staging' into wip-kshark	Jonathan Herman	13 years
wip-litmus-3.2	Merge commit 'v3.2' into litmus-staging	Andrea Bastoni	13 years
wip-litmus2011.2	Cleanup: Coding conformance for affinity stuff.	Glenn Elliott	14 years
wip-litmus3.0-2011.2	Feather-Trace: keep track of interrupt-related interference.	Bjoern B. Brandenburg	14 years
wip-master-2.6.33-rt	Avoid deadlock when switching task policy to BACKGROUND (ugly)	Andrea Bastoni	15 years
wip-mc	Removed ARM-specific hacks which disabled less common mixed-criticality featu...	Jonathan Herman	12 years
wip-mc-bipasa	MC-EDF added	bipasa chattopadhyay	13 years
wip-mc-jerickso	Split C/D queues	Jeremy Erickson	15 years
wip-mc2-cache-slack	Manually patched mc^2 related code	Ming Yang	10 years
wip-mcrit-mac	cosmetic	Mac Mollison	15 years
wip-merge-3.0	Prevent Linux to send IPI and queue tasks on remote CPUs.	Andrea Bastoni	14 years
wip-merge-v3.0	Prevent Linux to send IPI and queue tasks on remote CPUs.	Andrea Bastoni	14 years
wip-migration-affinity	NULL affinity dereference in C-EDF.	Glenn Elliott	14 years
wip-mmap-uncache	share branch with others	Glenn Elliott	13 years
wip-modechange	RTSS 2017 submission	Namhoon Kim	8 years
wip-nested-locking	Appears to be working.	Bryan Ward	12 years
wip-omlp-gedf	First implementation of G-OMLP.	Glenn Elliott	15 years
wip-pai	Some cleanup of PAI	Glenn Elliott	14 years
wip-percore-lib	9/21/2016	Namhoon Kim	9 years
wip-performance	CONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.	Glenn Elliott	14 years
wip-pgm	Add PGM support to C-FL	Glenn Elliott	12 years
wip-pgm-split	First draft of C-FL-split	Namhoon Kim	12 years
wip-pm-ovd	Add preemption-and-migration overhead tracing support	Andrea Bastoni	15 years
wip-prio-inh	P-EDF updated to use the generic pi framework.	Glenn Elliott	15 years
wip-prioq-dgl	BUG FIX: Support DGLs with PRIOQ_MUTEX	Glenn Elliott	13 years
wip-refactored-gedf	Generalizd architecture for GEDF-style scheduelrs to reduce code redundancy.	Glenn Elliott	15 years
wip-release-master-fix	bugfix: release master CPU must signal task was picked	Bjoern B. Brandenburg	14 years
wip-robust-tie-break	EDF priority tie-breaks.	Glenn Elliott	13 years
wip-rt-kshark	Move task time accounting into the complete_job method.	Jonathan Herman	13 years
wip-rtas12-pgm	Scheduling of PGM jobs.	Glenn Elliott	13 years
wip-semi-part	Fix compile error with newer GCC	Jeremy Erickson	12 years
wip-semi-part-edfos-jerickso	Use initial CPU set by client	Jeremy Erickson	12 years
wip-shared-lib	TODO: Fix condition checks in replicate_page_move_mapping()	Namhoon Kim	9 years
wip-shared-lib2	RTAS 2017 Submission ver.	Namhoon Kim	9 years
wip-shared-mem	Initial commit for shared library	Namhoon Kim	9 years
wip-splitting-jerickso	Fix release behavior	Jeremy Erickson	13 years
wip-splitting-omlp-jerickso	Bjoern's Dissertation Code with Priority Donation	Jeremy Erickson	13 years
wip-stage-binheap	An efficient binary heap implementation.	Glenn Elliott	13 years
wip-sun-port	Dynamic memory allocation and clean exit for FeatherTrace	Christopher Kenna	15 years
wip-timer-trace	bugfix: C-EDF, clear scheduled field of the correct CPU upon task_exit	Andrea Bastoni	15 years
wip-tracepoints	Add kernel-style events for sched_trace_XXX() functions	Andrea Bastoni	14 years

Tag	Download	Author	Age
2015.1	commit 8e51b37822...	Bjoern Brandenburg	10 years
2013.1	commit bcaacec1ca...	Glenn Elliott	12 years
2012.3	commit c158b5fbe4...	Jonathan Herman	13 years
2012.2	commit b53c479a0f...	Glenn Elliott	13 years
2012.1	commit 83b11ea1c6...	Bjoern B. Brandenburg	14 years
rtas12-mc-beta-exp	commit 8e236ee20f...	Christopher Kenna	14 years
2011.1	commit d11808b5c6...	Christopher Kenna	15 years
v2.6.37-rc4	commit e8a7e48bb2...	Linus Torvalds	15 years
v2.6.37-rc3	commit 3561d43fd2...	Linus Torvalds	15 years
v2.6.37-rc2	commit e53beacd23...	Linus Torvalds	15 years
v2.6.37-rc1	commit c8ddb2713c...	Linus Torvalds	15 years
v2.6.36	commit f6f94e2ab1...	Linus Torvalds	15 years
2010.2	commit 5c5456402d...	Bjoern B. Brandenburg	15 years
v2.6.36-rc8	commit cd07202cc8...	Linus Torvalds	15 years
v2.6.36-rc7	commit cb655d0f3d...	Linus Torvalds	15 years
v2.6.36-rc6	commit 899611ee7d...	Linus Torvalds	15 years
v2.6.36-rc5	commit b30a3f6257...	Linus Torvalds	15 years
v2.6.36-rc4	commit 49553c2ef8...	Linus Torvalds	15 years
v2.6.36-rc3	commit 2bfc96a127...	Linus Torvalds	15 years
v2.6.36-rc2	commit 76be97c1fc...	Linus Torvalds	15 years
v2.6.36-rc1	commit da5cabf80e...	Linus Torvalds	15 years
v2.6.35	commit 9fe6206f40...	Linus Torvalds	15 years
v2.6.35-rc6	commit b37fa16e78...	Linus Torvalds	15 years
v2.6.35-rc5	commit 1c5474a65b...	Linus Torvalds	15 years
v2.6.35-rc4	commit 815c4163b6...	Linus Torvalds	15 years
v2.6.35-rc3	commit 7e27d6e778...	Linus Torvalds	15 years
v2.6.35-rc2	commit e44a21b726...	Linus Torvalds	15 years
v2.6.35-rc1	commit 67a3e12b05...	Linus Torvalds	15 years
2010.1	commit 7c1ff4c544...	Andrea Bastoni	15 years
v2.6.34	commit e40152ee1e...	Linus Torvalds	15 years
v2.6.33.4	commit 4640b4e7d9...	Greg Kroah-Hartman	15 years
v2.6.34-rc7	commit b57f95a382...	Linus Torvalds	15 years
v2.6.34-rc6	commit 66f41d4c5c...	Linus Torvalds	15 years
v2.6.33.3	commit 3e7ad8ed97...	Greg Kroah-Hartman	15 years
v2.6.34-rc5	commit 01bf0b6457...	Linus Torvalds	15 years
v2.6.34-rc4	commit 0d0fb0f9c5...	Linus Torvalds	15 years
v2.6.33.2	commit 19f00f070c...	Greg Kroah-Hartman	15 years
v2.6.34-rc3	commit 2eaa9cfdf3...	Linus Torvalds	15 years
v2.6.34-rc2	commit 220bf991b0...	Linus Torvalds	16 years
v2.6.33.1	commit dbdafe5ccf...	Greg Kroah-Hartman	16 years
v2.6.34-rc1	commit 57d54889cd...	Linus Torvalds	16 years
v2.6.33	commit 60b341b778...	Linus Torvalds	16 years
v2.6.33-rc8	commit 724e6d3fe8...	Linus Torvalds	16 years
v2.6.33-rc7	commit 29275254ca...	Linus Torvalds	16 years
v2.6.33-rc6	commit abe94c756c...	Linus Torvalds	16 years
v2.6.33-rc5	commit 92dcffb916...	Linus Torvalds	16 years
v2.6.33-rc4	commit 7284ce6c9f...	Linus Torvalds	16 years
v2.6.33-rc3	commit 74d2e4f8d7...	Linus Torvalds	16 years
v2.6.33-rc2	commit 6b7b284958...	Linus Torvalds	16 years
v2.6.33-rc1	commit 55639353a0...	Linus Torvalds	16 years
v2.6.32	commit 22763c5cf3...	Linus Torvalds	16 years
v2.6.32-rc8	commit 648f4e3e50...	Linus Torvalds	16 years
v2.6.32-rc7	commit 156171c71a...	Linus Torvalds	16 years
v2.6.32-rc6	commit b419148e56...	Linus Torvalds	16 years
v2.6.32-rc5	commit 012abeea66...	Linus Torvalds	16 years
v2.6.32-rc4	commit 161291396e...	Linus Torvalds	16 years
v2.6.32-rc3	commit 374576a8b6...	Linus Torvalds	16 years
v2.6.32-rc1	commit 17d857be64...	Linus Torvalds	16 years
v2.6.32-rc2	commit 17d857be64...	Linus Torvalds	16 years
v2.6.31	commit 74fca6a428...	Linus Torvalds	16 years
v2.6.31-rc9	commit e07cccf404...	Linus Torvalds	16 years
v2.6.31-rc8	commit 326ba5010a...	Linus Torvalds	16 years
v2.6.31-rc7	commit 422bef879e...	Linus Torvalds	16 years
v2.6.31-rc6	commit 64f1607ffb...	Linus Torvalds	16 years
v2.6.31-rc5	commit ed680c4ad4...	Linus Torvalds	16 years
v2.6.31-rc4	commit 4be3bd7849...	Linus Torvalds	16 years
v2.6.31-rc3	commit 6847e154e3...	Linus Torvalds	16 years
v2.6.31-rc2	commit 8e4a718ff3...	Linus Torvalds	16 years
v2.6.31-rc1	commit 28d0325ce6...	Linus Torvalds	16 years
v2.6.30	commit 07a2039b8e...	Linus Torvalds	16 years
v2.6.30-rc8	commit 9fa7eb283c...	Linus Torvalds	16 years
v2.6.30-rc7	commit 59a3759d0f...	Linus Torvalds	16 years
v2.6.30-rc6	commit 1406de8e11...	Linus Torvalds	16 years
v2.6.30-rc5	commit 091bf7624d...	Linus Torvalds	16 years
v2.6.30-rc4	commit 091438dd56...	Linus Torvalds	16 years
v2.6.30-rc3	commit 0910697403...	Linus Torvalds	16 years
v2.6.30-rc2	commit 0882e8dd3a...	Linus Torvalds	16 years
v2.6.30-rc1	commit 577c9c456f...	Linus Torvalds	16 years
v2.6.29	commit 8e0ee43bc2...	Linus Torvalds	16 years
v2.6.29-rc8	commit 041b62374c...	Linus Torvalds	17 years
v2.6.29-rc7	commit fec6c6fec3...	Linus Torvalds	17 years
v2.6.29-rc6	commit 20f4d6c3a2...	Linus Torvalds	17 years
v2.6.29-rc5	commit d2f8d7ee1a...	Linus Torvalds	17 years
v2.6.29-rc4	commit 8e4921515c...	Linus Torvalds	17 years
v2.6.29-rc3	commit 18e352e4a7...	Linus Torvalds	17 years
v2.6.29-rc2	commit 1de9e8e70f...	Linus Torvalds	17 years
v2.6.29-rc1	commit c59765042f...	Linus Torvalds	17 years
v2.6.28	commit 4a6908a3a0...	Linus Torvalds	17 years
v2.6.28-rc9	commit 929096fe9f...	Linus Torvalds	17 years
v2.6.28-rc8	commit 8b1fae4e42...	Linus Torvalds	17 years
v2.6.28-rc7	commit 061e41fdb5...	Linus Torvalds	17 years
v2.6.28-rc6	commit 13d428afc0...	Linus Torvalds	17 years
v2.6.28-rc5	commit 9bf1a2445f...	Linus Torvalds	17 years
v2.6.28-rc4	commit f7160c7573...	Linus Torvalds	17 years
v2.6.28-rc3	commit 45beca08dd...	Linus Torvalds	17 years
v2.6.28-rc2	commit 0173a3265b...	Linus Torvalds	17 years
v2.6.28-rc1	commit 57f8f7b60d...	Linus Torvalds	17 years
v2.6.27	commit 3fa8749e58...	Linus Torvalds	17 years
v2.6.27-rc9	commit 4330ed8ed4...	Linus Torvalds	17 years
v2.6.27-rc8	commit 94aca1dac6...	Linus Torvalds	17 years
v2.6.27-rc7	commit 72d31053f6...	Linus Torvalds	17 years
v2.6.27-rc6	commit adee14b2e1...	Linus Torvalds	17 years
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v2.6.27-rc4	commit 6a55617ed5...	Linus Torvalds	17 years
v2.6.27-rc3	commit 30a2f3c60a...	Linus Torvalds	17 years
v2.6.27-rc2	commit 0967d61ea0...	Linus Torvalds	17 years
v2.6.27-rc1	commit 6e86841d05...	Linus Torvalds	17 years
v2.6.26	commit bce7f793da...	Linus Torvalds	17 years
v2.6.26-rc9	commit b7279469d6...	Linus Torvalds	17 years
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v2.6.26-rc3	commit b8291ad07a...	Linus Torvalds	17 years
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v2.6.25	commit 4b119e21d0...	Linus Torvalds	17 years
v2.6.25-rc9	commit 120dd64cac...	Linus Torvalds	17 years
v2.6.25-rc8	commit 0e81a8ae37...	Linus Torvalds	17 years
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v2.6.25-rc6	commit a978b30af3...	Linus Torvalds	18 years
v2.6.25-rc5	commit cdeeeae056...	Linus Torvalds	18 years
v2.6.25-rc4	commit 29e8c3c304...	Linus Torvalds	18 years
v2.6.25-rc3	commit bfa274e243...	Linus Torvalds	18 years
v2.6.25-rc2	commit 101142c37b...	Linus Torvalds	18 years
v2.6.25-rc1	commit 19af35546d...	Linus Torvalds	18 years
v2.6.24	commit 49914084e7...	Linus Torvalds	18 years
v2.6.24-rc8	commit cbd9c88369...	Linus Torvalds	18 years
v2.6.24-rc7	commit 3ce5445046...	Linus Torvalds	18 years
v2.6.24-rc6	commit ea67db4cdb...	Linus Torvalds	18 years
v2.6.24-rc5	commit 82d29bf6dc...	Linus Torvalds	18 years
v2.6.24-rc4	commit 09b56adc98...	Linus Torvalds	18 years
v2.6.24-rc3	commit d9f8bcbf67...	Linus Torvalds	18 years
v2.6.24-rc2	commit dbeeb816e8...	Linus Torvalds	18 years
v2.6.24-rc1	commit c9927c2bf4...	Linus Torvalds	18 years
v2.6.23	commit bbf25010f1...	Linus Torvalds	18 years
v2.6.23-rc9	commit 3146b39c18...	Linus Torvalds	18 years
v2.6.23-rc8	commit 4942de4a0e...	Linus Torvalds	18 years
v2.6.23-rc7	commit 81cfe79b9c...	Linus Torvalds	18 years
v2.6.23-rc6	commit 0d4cbb5e7f...	Linus Torvalds	18 years
v2.6.23-rc5	commit 40ffbfad6b...	Linus Torvalds	18 years
v2.6.23-rc4	commit b07d68b5ca...	Linus Torvalds	18 years
v2.6.23-rc3	commit 39d3520c92...	Linus Torvalds	18 years
v2.6.23-rc2	commit d4ac2477fa...	Linus Torvalds	18 years
v2.6.23-rc1	commit f695baf2df...	Linus Torvalds	18 years
v2.6.22	commit 7dcca30a32...	Linus Torvalds	18 years
v2.6.22-rc7	commit a38d6181ff...	Linus Torvalds	18 years
v2.6.22-rc6	commit 189548642c...	Linus Torvalds	18 years
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v2.6.22-rc4	commit 5ecd3100e6...	Linus Torvalds	18 years
v2.6.22-rc3	commit c420bc9f09...	Linus Torvalds	18 years
v2.6.22-rc2	commit 55b637c6a0...	Linus Torvalds	18 years
v2.6.22-rc1	commit 39403865d2...	Linus Torvalds	18 years
v2.6.21	commit de46c33745...	Linus Torvalds	18 years
v2.6.21-rc7	commit 94a05509a9...	Linus Torvalds	18 years
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v2.6.20	commit 62d0cfcb27...	Linus Torvalds	19 years
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v2.6.20-rc4	commit bf81b46482...	Linus Torvalds	19 years
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v2.6.19-rc6	commit 44597f65f6...	Linus Torvalds	19 years
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/* * smctr.c: A network driver for the SMC Token Ring Adapters. * * Written by Jay Schulist <jschlst@samba.org> * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * * This device driver works with the following SMC adapters: * - SMC TokenCard Elite (8115T, chips 825/584) * - SMC TokenCard Elite/A MCA (8115T/A, chips 825/594) * * Source(s): * - SMC TokenCard SDK. * * Maintainer(s): * JS Jay Schulist <jschlst@samba.org> * * Changes: * 07102000 JS Fixed a timing problem in smctr_wait_cmd(); * Also added a bit more discriptive error msgs. * 07122000 JS Fixed problem with detecting a card with * module io/irq/mem specified. * * To do: * 1. Multicast support. * * Initial 2.5 cleanup Alan Cox <alan@redhat.com> 2002/10/28 */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/fcntl.h> #include <linux/interrupt.h> #include <linux/ptrace.h> #include <linux/ioport.h> #include <linux/in.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/time.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/mca-legacy.h> #include <linux/delay.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> #include <linux/trdevice.h> #include <linux/bitops.h> #include <asm/system.h> #include <asm/io.h> #include <asm/dma.h> #include <asm/irq.h> #if BITS_PER_LONG == 64 #error FIXME: driver does not support 64-bit platforms #endif #include "smctr.h" /* Our Stuff */ #include "smctr_firmware.h" /* SMC adapter firmware */ static char version[] __initdata = KERN_INFO "smctr.c: v1.4 7/12/00 by jschlst@samba.org\n"; static const char cardname[] = "smctr"; #define SMCTR_IO_EXTENT 20 #ifdef CONFIG_MCA_LEGACY static unsigned int smctr_posid = 0x6ec6; #endif static int ringspeed; /* SMC Name of the Adapter. */ static char smctr_name[] = "SMC TokenCard"; static char *smctr_model = "Unknown"; /* Use 0 for production, 1 for verification, 2 for debug, and * 3 for very verbose debug. */ #ifndef SMCTR_DEBUG #define SMCTR_DEBUG 1 #endif static unsigned int smctr_debug = SMCTR_DEBUG; /* smctr.c prototypes and functions are arranged alphabeticly * for clearity, maintainability and pure old fashion fun. */ /* A */ static int smctr_alloc_shared_memory(struct net_device *dev); /* B */ static int smctr_bypass_state(struct net_device *dev); /* C */ static int smctr_checksum_firmware(struct net_device *dev); static int __init smctr_chk_isa(struct net_device *dev); static int smctr_chg_rx_mask(struct net_device *dev); static int smctr_clear_int(struct net_device *dev); static int smctr_clear_trc_reset(int ioaddr); static int smctr_close(struct net_device *dev); /* D */ static int smctr_decode_firmware(struct net_device *dev); static int smctr_disable_16bit(struct net_device *dev); static int smctr_disable_adapter_ctrl_store(struct net_device *dev); static int smctr_disable_bic_int(struct net_device *dev); /* E */ static int smctr_enable_16bit(struct net_device *dev); static int smctr_enable_adapter_ctrl_store(struct net_device *dev); static int smctr_enable_adapter_ram(struct net_device *dev); static int smctr_enable_bic_int(struct net_device *dev); /* G */ static int __init smctr_get_boardid(struct net_device *dev, int mca); static int smctr_get_group_address(struct net_device *dev); static int smctr_get_functional_address(struct net_device *dev); static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev); static int smctr_get_physical_drop_number(struct net_device *dev); static __u8 *smctr_get_rx_pointer(struct net_device *dev, short queue); static int smctr_get_station_id(struct net_device *dev); static struct net_device_stats *smctr_get_stats(struct net_device *dev); static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, __u16 bytes_count); static int smctr_get_upstream_neighbor_addr(struct net_device *dev); /* H */ static int smctr_hardware_send_packet(struct net_device *dev, struct net_local *tp); /* I */ static int smctr_init_acbs(struct net_device *dev); static int smctr_init_adapter(struct net_device *dev); static int smctr_init_card_real(struct net_device *dev); static int smctr_init_rx_bdbs(struct net_device *dev); static int smctr_init_rx_fcbs(struct net_device *dev); static int smctr_init_shared_memory(struct net_device *dev); static int smctr_init_tx_bdbs(struct net_device *dev); static int smctr_init_tx_fcbs(struct net_device *dev); static int smctr_internal_self_test(struct net_device *dev); static irqreturn_t smctr_interrupt(int irq, void *dev_id); static int smctr_issue_enable_int_cmd(struct net_device *dev, __u16 interrupt_enable_mask); static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, __u16 ibits); static int smctr_issue_init_timers_cmd(struct net_device *dev); static int smctr_issue_init_txrx_cmd(struct net_device *dev); static int smctr_issue_insert_cmd(struct net_device *dev); static int smctr_issue_read_ring_status_cmd(struct net_device *dev); static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt); static int smctr_issue_remove_cmd(struct net_device *dev); static int smctr_issue_resume_acb_cmd(struct net_device *dev); static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue); static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue); static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue); static int smctr_issue_test_internal_rom_cmd(struct net_device *dev); static int smctr_issue_test_hic_cmd(struct net_device *dev); static int smctr_issue_test_mac_reg_cmd(struct net_device *dev); static int smctr_issue_trc_loopback_cmd(struct net_device *dev); static int smctr_issue_tri_loopback_cmd(struct net_device *dev); static int smctr_issue_write_byte_cmd(struct net_device *dev, short aword_cnt, void *byte); static int smctr_issue_write_word_cmd(struct net_device *dev, short aword_cnt, void *word); /* J */ static int smctr_join_complete_state(struct net_device *dev); /* L */ static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev); static int smctr_load_firmware(struct net_device *dev); static int smctr_load_node_addr(struct net_device *dev); static int smctr_lobe_media_test(struct net_device *dev); static int smctr_lobe_media_test_cmd(struct net_device *dev); static int smctr_lobe_media_test_state(struct net_device *dev); /* M */ static int smctr_make_8025_hdr(struct net_device *dev, MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc); static int smctr_make_access_pri(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_auth_funct_class(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_corr(struct net_device *dev, MAC_SUB_VECTOR *tsv, __u16 correlator); static int smctr_make_funct_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_group_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_phy_drop_num(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_ring_station_status(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_ring_station_version(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_tx_status_code(struct net_device *dev, MAC_SUB_VECTOR *tsv, __u16 tx_fstatus); static int smctr_make_upstream_neighbor_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv); static int smctr_make_wrap_data(struct net_device *dev, MAC_SUB_VECTOR *tsv); /* O */ static int smctr_open(struct net_device *dev); static int smctr_open_tr(struct net_device *dev); /* P */ struct net_device *smctr_probe(int unit); static int __init smctr_probe1(struct net_device *dev, int ioaddr); static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, struct net_device *dev, __u16 rx_status); /* R */ static int smctr_ram_memory_test(struct net_device *dev); static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, __u16 *correlator); static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, __u16 *correlator); static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf); static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, MAC_HEADER *rmf, __u16 *correlator); static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, __u16 *correlator); static int smctr_reset_adapter(struct net_device *dev); static int smctr_restart_tx_chain(struct net_device *dev, short queue); static int smctr_ring_status_chg(struct net_device *dev); static int smctr_rx_frame(struct net_device *dev); /* S */ static int smctr_send_dat(struct net_device *dev); static int smctr_send_packet(struct sk_buff *skb, struct net_device *dev); static int smctr_send_lobe_media_test(struct net_device *dev); static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, __u16 correlator); static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, __u16 correlator); static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, __u16 correlator); static int smctr_send_rpt_tx_forward(struct net_device *dev, MAC_HEADER *rmf, __u16 tx_fstatus); static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, __u16 rcode, __u16 correlator); static int smctr_send_rq_init(struct net_device *dev); static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, __u16 *tx_fstatus); static int smctr_set_auth_access_pri(struct net_device *dev, MAC_SUB_VECTOR *rsv); static int smctr_set_auth_funct_class(struct net_device *dev, MAC_SUB_VECTOR *rsv); static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, __u16 *correlator); static int smctr_set_error_timer_value(struct net_device *dev, MAC_SUB_VECTOR *rsv); static int smctr_set_frame_forward(struct net_device *dev, MAC_SUB_VECTOR *rsv, __u8 dc_sc); static int smctr_set_local_ring_num(struct net_device *dev, MAC_SUB_VECTOR *rsv); static unsigned short smctr_set_ctrl_attention(struct net_device *dev); static void smctr_set_multicast_list(struct net_device *dev); static int smctr_set_page(struct net_device *dev, __u8 *buf); static int smctr_set_phy_drop(struct net_device *dev, MAC_SUB_VECTOR *rsv); static int smctr_set_ring_speed(struct net_device *dev); static int smctr_set_rx_look_ahead(struct net_device *dev); static int smctr_set_trc_reset(int ioaddr); static int smctr_setup_single_cmd(struct net_device *dev, __u16 command, __u16 subcommand); static int smctr_setup_single_cmd_w_data(struct net_device *dev, __u16 command, __u16 subcommand); static char *smctr_malloc(struct net_device *dev, __u16 size); static int smctr_status_chg(struct net_device *dev); /* T */ static void smctr_timeout(struct net_device *dev); static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, __u16 queue); static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue); static unsigned short smctr_tx_move_frame(struct net_device *dev, struct sk_buff *skb, __u8 *pbuff, unsigned int bytes); /* U */ static int smctr_update_err_stats(struct net_device *dev); static int smctr_update_rx_chain(struct net_device *dev, __u16 queue); static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, __u16 queue); /* W */ static int smctr_wait_cmd(struct net_device *dev); static int smctr_wait_while_cbusy(struct net_device *dev); #define TO_256_BYTE_BOUNDRY(X) (((X + 0xff) & 0xff00) - X) #define TO_PARAGRAPH_BOUNDRY(X) (((X + 0x0f) & 0xfff0) - X) #define PARAGRAPH_BOUNDRY(X) smctr_malloc(dev, TO_PARAGRAPH_BOUNDRY(X)) /* Allocate Adapter Shared Memory. * IMPORTANT NOTE: Any changes to this function MUST be mirrored in the * function "get_num_rx_bdbs" below!!! * * Order of memory allocation: * * 0. Initial System Configuration Block Pointer * 1. System Configuration Block * 2. System Control Block * 3. Action Command Block * 4. Interrupt Status Block * * 5. MAC TX FCB'S * 6. NON-MAC TX FCB'S * 7. MAC TX BDB'S * 8. NON-MAC TX BDB'S * 9. MAC RX FCB'S * 10. NON-MAC RX FCB'S * 11. MAC RX BDB'S * 12. NON-MAC RX BDB'S * 13. MAC TX Data Buffer( 1, 256 byte buffer) * 14. MAC RX Data Buffer( 1, 256 byte buffer) * * 15. NON-MAC TX Data Buffer * 16. NON-MAC RX Data Buffer */ static int smctr_alloc_shared_memory(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_alloc_shared_memory\n", dev->name); /* Allocate initial System Control Block pointer. * This pointer is located in the last page, last offset - 4. */ tp->iscpb_ptr = (ISCPBlock *)(tp->ram_access + ((__u32)64 * 0x400) - (long)ISCP_BLOCK_SIZE); /* Allocate System Control Blocks. */ tp->scgb_ptr = (SCGBlock *)smctr_malloc(dev, sizeof(SCGBlock)); PARAGRAPH_BOUNDRY(tp->sh_mem_used); tp->sclb_ptr = (SCLBlock *)smctr_malloc(dev, sizeof(SCLBlock)); PARAGRAPH_BOUNDRY(tp->sh_mem_used); tp->acb_head = (ACBlock *)smctr_malloc(dev, sizeof(ACBlock)*tp->num_acbs); PARAGRAPH_BOUNDRY(tp->sh_mem_used); tp->isb_ptr = (ISBlock *)smctr_malloc(dev, sizeof(ISBlock)); PARAGRAPH_BOUNDRY(tp->sh_mem_used); tp->misc_command_data = (__u16 *)smctr_malloc(dev, MISC_DATA_SIZE); PARAGRAPH_BOUNDRY(tp->sh_mem_used); /* Allocate transmit FCBs. */ tp->tx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]); tp->tx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]); tp->tx_fcb_head[BUG_QUEUE] = (FCBlock *)smctr_malloc(dev, sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]); /* Allocate transmit BDBs. */ tp->tx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]); tp->tx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]); tp->tx_bdb_head[BUG_QUEUE] = (BDBlock *)smctr_malloc(dev, sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]); /* Allocate receive FCBs. */ tp->rx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]); tp->rx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]); /* Allocate receive BDBs. */ tp->rx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]); tp->rx_bdb_end[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); tp->rx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, sizeof(BDBlock) * tp->num_rx_bdbs[NON_MAC_QUEUE]); tp->rx_bdb_end[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); /* Allocate MAC transmit buffers. * MAC Tx Buffers doen't have to be on an ODD Boundry. */ tp->tx_buff_head[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[MAC_QUEUE]); tp->tx_buff_curr[MAC_QUEUE] = tp->tx_buff_head[MAC_QUEUE]; tp->tx_buff_end [MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); /* Allocate BUG transmit buffers. */ tp->tx_buff_head[BUG_QUEUE] = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[BUG_QUEUE]); tp->tx_buff_curr[BUG_QUEUE] = tp->tx_buff_head[BUG_QUEUE]; tp->tx_buff_end[BUG_QUEUE] = (__u16 *)smctr_malloc(dev, 0); /* Allocate MAC receive data buffers. * MAC Rx buffer doesn't have to be on a 256 byte boundary. */ tp->rx_buff_head[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]); tp->rx_buff_end[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); /* Allocate Non-MAC transmit buffers. * ?? For maximum Netware performance, put Tx Buffers on * ODD Boundry and then restore malloc to Even Boundrys. */ smctr_malloc(dev, 1L); tp->tx_buff_head[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[NON_MAC_QUEUE]); tp->tx_buff_curr[NON_MAC_QUEUE] = tp->tx_buff_head[NON_MAC_QUEUE]; tp->tx_buff_end [NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); smctr_malloc(dev, 1L); /* Allocate Non-MAC receive data buffers. * To guarantee a minimum of 256 contigous memory to * UM_Receive_Packet's lookahead pointer, before a page * change or ring end is encountered, place each rx buffer on * a 256 byte boundary. */ smctr_malloc(dev, TO_256_BYTE_BOUNDRY(tp->sh_mem_used)); tp->rx_buff_head[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[NON_MAC_QUEUE]); tp->rx_buff_end[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); return (0); } /* Enter Bypass state. */ static int smctr_bypass_state(struct net_device *dev) { int err; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_bypass_state\n", dev->name); err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, JS_BYPASS_STATE); return (err); } static int smctr_checksum_firmware(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); __u16 i, checksum = 0; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_checksum_firmware\n", dev->name); smctr_enable_adapter_ctrl_store(dev); for(i = 0; i < CS_RAM_SIZE; i += 2) checksum += *((__u16 *)(tp->ram_access + i)); tp->microcode_version = *(__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET); tp->microcode_version >>= 8; smctr_disable_adapter_ctrl_store(dev); if(checksum) return (checksum); return (0); } static int __init smctr_chk_mca(struct net_device *dev) { #ifdef CONFIG_MCA_LEGACY struct net_local *tp = netdev_priv(dev); int current_slot; __u8 r1, r2, r3, r4, r5; current_slot = mca_find_unused_adapter(smctr_posid, 0); if(current_slot == MCA_NOTFOUND) return (-ENODEV); mca_set_adapter_name(current_slot, smctr_name); mca_mark_as_used(current_slot); tp->slot_num = current_slot; r1 = mca_read_stored_pos(tp->slot_num, 2); r2 = mca_read_stored_pos(tp->slot_num, 3); if(tp->slot_num) outb(CNFG_POS_CONTROL_REG, (__u8)((tp->slot_num - 1) | CNFG_SLOT_ENABLE_BIT)); else outb(CNFG_POS_CONTROL_REG, (__u8)((tp->slot_num) | CNFG_SLOT_ENABLE_BIT)); r1 = inb(CNFG_POS_REG1); r2 = inb(CNFG_POS_REG0); tp->bic_type = BIC_594_CHIP; /* IO */ r2 = mca_read_stored_pos(tp->slot_num, 2); r2 &= 0xF0; dev->base_addr = ((__u16)r2 << 8) + (__u16)0x800; request_region(dev->base_addr, SMCTR_IO_EXTENT, smctr_name); /* IRQ */ r5 = mca_read_stored_pos(tp->slot_num, 5); r5 &= 0xC; switch(r5) { case 0: dev->irq = 3; break; case 0x4: dev->irq = 4; break; case 0x8: dev->irq = 10; break; default: dev->irq = 15; break; } if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) { release_region(dev->base_addr, SMCTR_IO_EXTENT); return -ENODEV; } /* Get RAM base */ r3 = mca_read_stored_pos(tp->slot_num, 3); tp->ram_base = ((__u32)(r3 & 0x7) << 13) + 0x0C0000; if (r3 & 0x8) tp->ram_base += 0x010000; if (r3 & 0x80) tp->ram_base += 0xF00000; /* Get Ram Size */ r3 &= 0x30; r3 >>= 4; tp->ram_usable = (__u16)CNFG_SIZE_8KB << r3; tp->ram_size = (__u16)CNFG_SIZE_64KB; tp->board_id |= TOKEN_MEDIA; r4 = mca_read_stored_pos(tp->slot_num, 4); tp->rom_base = ((__u32)(r4 & 0x7) << 13) + 0x0C0000; if (r4 & 0x8) tp->rom_base += 0x010000; /* Get ROM size. */ r4 >>= 4; switch (r4) { case 0: tp->rom_size = CNFG_SIZE_8KB; break; case 1: tp->rom_size = CNFG_SIZE_16KB; break; case 2: tp->rom_size = CNFG_SIZE_32KB; break; default: tp->rom_size = ROM_DISABLE; } /* Get Media Type. */ r5 = mca_read_stored_pos(tp->slot_num, 5); r5 &= CNFG_MEDIA_TYPE_MASK; switch(r5) { case (0): tp->media_type = MEDIA_STP_4; break; case (1): tp->media_type = MEDIA_STP_16; break; case (3): tp->media_type = MEDIA_UTP_16; break; default: tp->media_type = MEDIA_UTP_4; break; } tp->media_menu = 14; r2 = mca_read_stored_pos(tp->slot_num, 2); if(!(r2 & 0x02)) tp->mode_bits |= EARLY_TOKEN_REL; /* Disable slot */ outb(CNFG_POS_CONTROL_REG, 0); tp->board_id = smctr_get_boardid(dev, 1); switch(tp->board_id & 0xffff) { case WD8115TA: smctr_model = "8115T/A"; break; case WD8115T: if(tp->extra_info & CHIP_REV_MASK) smctr_model = "8115T rev XE"; else smctr_model = "8115T rev XD"; break; default: smctr_model = "Unknown"; break; } return (0); #else return (-1); #endif /* CONFIG_MCA_LEGACY */ } static int smctr_chg_rx_mask(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int err = 0; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_chg_rx_mask\n", dev->name); smctr_enable_16bit(dev); smctr_set_page(dev, (__u8 *)tp->ram_access); if(tp->mode_bits & LOOPING_MODE_MASK) tp->config_word0 |= RX_OWN_BIT; else tp->config_word0 &= ~RX_OWN_BIT; if(tp->receive_mask & PROMISCUOUS_MODE) tp->config_word0 |= PROMISCUOUS_BIT; else tp->config_word0 &= ~PROMISCUOUS_BIT; if(tp->receive_mask & ACCEPT_ERR_PACKETS) tp->config_word0 |= SAVBAD_BIT; else tp->config_word0 &= ~SAVBAD_BIT; if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) tp->config_word0 |= RXATMAC; else tp->config_word0 &= ~RXATMAC; if(tp->receive_mask & ACCEPT_MULTI_PROM) tp->config_word1 |= MULTICAST_ADDRESS_BIT; else tp->config_word1 &= ~MULTICAST_ADDRESS_BIT; if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING) tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS; else { if(tp->receive_mask & ACCEPT_SOURCE_ROUTING) tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT; else tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS; } if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_0, &tp->config_word0))) { return (err); } if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_1, &tp->config_word1))) { return (err); } smctr_disable_16bit(dev); return (0); } static int smctr_clear_int(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); outb((tp->trc_mask | CSR_CLRTINT), dev->base_addr + CSR); return (0); } static int smctr_clear_trc_reset(int ioaddr) { __u8 r; r = inb(ioaddr + MSR); outb(~MSR_RST & r, ioaddr + MSR); return (0); } /* * The inverse routine to smctr_open(). */ static int smctr_close(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); struct sk_buff *skb; int err; netif_stop_queue(dev); tp->cleanup = 1; /* Check to see if adapter is already in a closed state. */ if(tp->status != OPEN) return (0); smctr_enable_16bit(dev); smctr_set_page(dev, (__u8 *)tp->ram_access); if((err = smctr_issue_remove_cmd(dev))) { smctr_disable_16bit(dev); return (err); } for(;;) { skb = skb_dequeue(&tp->SendSkbQueue); if(skb == NULL) break; tp->QueueSkb++; dev_kfree_skb(skb); } return (0); } static int smctr_decode_firmware(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); short bit = 0x80, shift = 12; DECODE_TREE_NODE *tree; short branch, tsize; __u16 buff = 0; long weight; __u8 *ucode; __u16 *mem; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_decode_firmware\n", dev->name); weight = *(long *)(tp->ptr_ucode + WEIGHT_OFFSET); tsize = *(__u8 *)(tp->ptr_ucode + TREE_SIZE_OFFSET); tree = (DECODE_TREE_NODE *)(tp->ptr_ucode + TREE_OFFSET); ucode = (__u8 *)(tp->ptr_ucode + TREE_OFFSET + (tsize * sizeof(DECODE_TREE_NODE))); mem = (__u16 *)(tp->ram_access); while(weight) { branch = ROOT; while((tree + branch)->tag != LEAF && weight) { branch = *ucode & bit ? (tree + branch)->llink : (tree + branch)->rlink; bit >>= 1; weight--; if(bit == 0) { bit = 0x80; ucode++; } } buff |= (tree + branch)->info << shift; shift -= 4; if(shift < 0) { *(mem++) = SWAP_BYTES(buff); buff = 0; shift = 12; } } /* The following assumes the Control Store Memory has * been initialized to zero. If the last partial word * is zero, it will not be written. */ if(buff) *(mem++) = SWAP_BYTES(buff); return (0); } static int smctr_disable_16bit(struct net_device *dev) { return (0); } /* * On Exit, Adapter is: * 1. TRC is in a reset state and un-initialized. * 2. Adapter memory is enabled. * 3. Control Store memory is out of context (-WCSS is 1). */ static int smctr_disable_adapter_ctrl_store(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int ioaddr = dev->base_addr; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_disable_adapter_ctrl_store\n", dev->name); tp->trc_mask |= CSR_WCSS; outb(tp->trc_mask, ioaddr + CSR); return (0); } static int smctr_disable_bic_int(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int ioaddr = dev->base_addr; tp->trc_mask = CSR_MSK_ALL | CSR_MSKCBUSY | CSR_MSKTINT | CSR_WCSS; outb(tp->trc_mask, ioaddr + CSR); return (0); } static int smctr_enable_16bit(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); __u8 r; if(tp->adapter_bus == BUS_ISA16_TYPE) { r = inb(dev->base_addr + LAAR); outb((r | LAAR_MEM16ENB), dev->base_addr + LAAR); } return (0); } /* * To enable the adapter control store memory: * 1. Adapter must be in a RESET state. * 2. Adapter memory must be enabled. * 3. Control Store Memory is in context (-WCSS is 0). */ static int smctr_enable_adapter_ctrl_store(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int ioaddr = dev->base_addr; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_enable_adapter_ctrl_store\n", dev->name); smctr_set_trc_reset(ioaddr); smctr_enable_adapter_ram(dev); tp->trc_mask &= ~CSR_WCSS; outb(tp->trc_mask, ioaddr + CSR); return (0); } static int smctr_enable_adapter_ram(struct net_device *dev) { int ioaddr = dev->base_addr; __u8 r; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_enable_adapter_ram\n", dev->name); r = inb(ioaddr + MSR); outb(MSR_MEMB | r, ioaddr + MSR); return (0); } static int smctr_enable_bic_int(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int ioaddr = dev->base_addr; __u8 r; switch(tp->bic_type) { case (BIC_584_CHIP): tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; outb(tp->trc_mask, ioaddr + CSR); r = inb(ioaddr + IRR); outb(r | IRR_IEN, ioaddr + IRR); break; case (BIC_594_CHIP): tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; outb(tp->trc_mask, ioaddr + CSR); r = inb(ioaddr + IMCCR); outb(r | IMCCR_EIL, ioaddr + IMCCR); break; } return (0); } static int __init smctr_chk_isa(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int ioaddr = dev->base_addr; __u8 r1, r2, b, chksum = 0; __u16 r; int i; int err = -ENODEV; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_chk_isa %#4x\n", dev->name, ioaddr); if((ioaddr & 0x1F) != 0) goto out; /* Grab the region so that no one else tries to probe our ioports. */ if (!request_region(ioaddr, SMCTR_IO_EXTENT, smctr_name)) { err = -EBUSY; goto out; } /* Checksum SMC node address */ for(i = 0; i < 8; i++) { b = inb(ioaddr + LAR0 + i); chksum += b; } if (chksum != NODE_ADDR_CKSUM) goto out2; b = inb(ioaddr + BDID); if(b != BRD_ID_8115T) { printk(KERN_ERR "%s: The adapter found is not supported\n", dev->name); goto out2; } /* Check for 8115T Board ID */ r2 = 0; for(r = 0; r < 8; r++) { r1 = inb(ioaddr + 0x8 + r); r2 += r1; } /* value of RegF adds up the sum to 0xFF */ if((r2 != 0xFF) && (r2 != 0xEE)) goto out2; /* Get adapter ID */ tp->board_id = smctr_get_boardid(dev, 0); switch(tp->board_id & 0xffff) { case WD8115TA: smctr_model = "8115T/A"; break; case WD8115T: if(tp->extra_info & CHIP_REV_MASK) smctr_model = "8115T rev XE"; else smctr_model = "8115T rev XD"; break; default: smctr_model = "Unknown"; break; } /* Store BIC type. */ tp->bic_type = BIC_584_CHIP; tp->nic_type = NIC_825_CHIP; /* Copy Ram Size */ tp->ram_usable = CNFG_SIZE_16KB; tp->ram_size = CNFG_SIZE_64KB; /* Get 58x Ram Base */ r1 = inb(ioaddr); r1 &= 0x3F; r2 = inb(ioaddr + CNFG_LAAR_584); r2 &= CNFG_LAAR_MASK; r2 <<= 3; r2 |= ((r1 & 0x38) >> 3); tp->ram_base = ((__u32)r2 << 16) + (((__u32)(r1 & 0x7)) << 13); /* Get 584 Irq */ r1 = 0; r1 = inb(ioaddr + CNFG_ICR_583); r1 &= CNFG_ICR_IR2_584; r2 = inb(ioaddr + CNFG_IRR_583); r2 &= CNFG_IRR_IRQS; /* 0x60 */ r2 >>= 5; switch(r2) { case 0: if(r1 == 0) dev->irq = 2; else dev->irq = 10; break; case 1: if(r1 == 0) dev->irq = 3; else dev->irq = 11; break; case 2: if(r1 == 0) { if(tp->extra_info & ALTERNATE_IRQ_BIT) dev->irq = 5; else dev->irq = 4; } else dev->irq = 15; break; case 3: if(r1 == 0) dev->irq = 7; else dev->irq = 4; break; default: printk(KERN_ERR "%s: No IRQ found aborting\n", dev->name); goto out2; } if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) goto out2; /* Get 58x Rom Base */ r1 = inb(ioaddr + CNFG_BIO_583); r1 &= 0x3E; r1 |= 0x40; tp->rom_base = (__u32)r1 << 13; /* Get 58x Rom Size */ r1 = inb(ioaddr + CNFG_BIO_583); r1 &= 0xC0; if(r1 == 0) tp->rom_size = ROM_DISABLE; else { r1 >>= 6; tp->rom_size = (__u16)CNFG_SIZE_8KB << r1; } /* Get 58x Boot Status */ r1 = inb(ioaddr + CNFG_GP2); tp->mode_bits &= (~BOOT_STATUS_MASK); if(r1 & CNFG_GP2_BOOT_NIBBLE) tp->mode_bits |= BOOT_TYPE_1; /* Get 58x Zero Wait State */ tp->mode_bits &= (~ZERO_WAIT_STATE_MASK); r1 = inb(ioaddr + CNFG_IRR_583); if(r1 & CNFG_IRR_ZWS) tp->mode_bits |= ZERO_WAIT_STATE_8_BIT; if(tp->board_id & BOARD_16BIT) { r1 = inb(ioaddr + CNFG_LAAR_584); if(r1 & CNFG_LAAR_ZWS) tp->mode_bits |= ZERO_WAIT_STATE_16_BIT; } /* Get 584 Media Menu */ tp->media_menu = 14; r1 = inb(ioaddr + CNFG_IRR_583); tp->mode_bits &= 0xf8ff; /* (~CNFG_INTERFACE_TYPE_MASK) */ if((tp->board_id & TOKEN_MEDIA) == TOKEN_MEDIA) { /* Get Advanced Features */ if(((r1 & 0x6) >> 1) == 0x3) tp->media_type |= MEDIA_UTP_16; else { if(((r1 & 0x6) >> 1) == 0x2) tp->media_type |= MEDIA_STP_16; else { if(((r1 & 0x6) >> 1) == 0x1) tp->media_type |= MEDIA_UTP_4; else tp->media_type |= MEDIA_STP_4; } } r1 = inb(ioaddr + CNFG_GP2); if(!(r1 & 0x2) ) /* GP2_ETRD */ tp->mode_bits |= EARLY_TOKEN_REL; /* see if the chip is corrupted if(smctr_read_584_chksum(ioaddr)) { printk(KERN_ERR "%s: EEPROM Checksum Failure\n", dev->name); free_irq(dev->irq, dev); goto out2; } */ } return (0); out2: release_region(ioaddr, SMCTR_IO_EXTENT); out: return err; } static int __init smctr_get_boardid(struct net_device *dev, int mca) { struct net_local *tp = netdev_priv(dev); int ioaddr = dev->base_addr; __u8 r, r1, IdByte; __u16 BoardIdMask; tp->board_id = BoardIdMask = 0; if(mca) { BoardIdMask |= (MICROCHANNEL+INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); tp->extra_info |= (INTERFACE_594_CHIP+RAM_SIZE_64K+NIC_825_BIT+ALTERNATE_IRQ_BIT+SLOT_16BIT); } else { BoardIdMask|=(INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); tp->extra_info |= (INTERFACE_584_CHIP + RAM_SIZE_64K + NIC_825_BIT + ALTERNATE_IRQ_BIT); } if(!mca) { r = inb(ioaddr + BID_REG_1); r &= 0x0c; outb(r, ioaddr + BID_REG_1); r = inb(ioaddr + BID_REG_1); if(r & BID_SIXTEEN_BIT_BIT) { tp->extra_info |= SLOT_16BIT; tp->adapter_bus = BUS_ISA16_TYPE; } else tp->adapter_bus = BUS_ISA8_TYPE; } else tp->adapter_bus = BUS_MCA_TYPE; /* Get Board Id Byte */ IdByte = inb(ioaddr + BID_BOARD_ID_BYTE); /* if Major version > 1.0 then * return; */ if(IdByte & 0xF8) return (-1); r1 = inb(ioaddr + BID_REG_1); r1 &= BID_ICR_MASK; r1 |= BID_OTHER_BIT; outb(r1, ioaddr + BID_REG_1); r1 = inb(ioaddr + BID_REG_3); r1 &= BID_EAR_MASK; r1 |= BID_ENGR_PAGE; outb(r1, ioaddr + BID_REG_3); r1 = inb(ioaddr + BID_REG_1); r1 &= BID_ICR_MASK; r1 |= (BID_RLA | BID_OTHER_BIT); outb(r1, ioaddr + BID_REG_1); r1 = inb(ioaddr + BID_REG_1); while(r1 & BID_RECALL_DONE_MASK) r1 = inb(ioaddr + BID_REG_1); r = inb(ioaddr + BID_LAR_0 + BID_REG_6); /* clear chip rev bits */ tp->extra_info &= ~CHIP_REV_MASK; tp->extra_info |= ((r & BID_EEPROM_CHIP_REV_MASK) << 6); r1 = inb(ioaddr + BID_REG_1); r1 &= BID_ICR_MASK; r1 |= BID_OTHER_BIT; outb(r1, ioaddr + BID_REG_1); r1 = inb(ioaddr + BID_REG_3); r1 &= BID_EAR_MASK; r1 |= BID_EA6; outb(r1, ioaddr + BID_REG_3); r1 = inb(ioaddr + BID_REG_1); r1 &= BID_ICR_MASK; r1 |= BID_RLA; outb(r1, ioaddr + BID_REG_1); r1 = inb(ioaddr + BID_REG_1); while(r1 & BID_RECALL_DONE_MASK) r1 = inb(ioaddr + BID_REG_1); return (BoardIdMask); } static int smctr_get_group_address(struct net_device *dev) { smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_GROUP_ADDR); return(smctr_wait_cmd(dev)); } static int smctr_get_functional_address(struct net_device *dev) { smctr_issue_read_word_cmd(dev, RW_FUNCTIONAL_ADDR); return(smctr_wait_cmd(dev)); } /* Calculate number of Non-MAC receive BDB's and data buffers. * This function must simulate allocateing shared memory exactly * as the allocate_shared_memory function above. */ static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int mem_used = 0; /* Allocate System Control Blocks. */ mem_used += sizeof(SCGBlock); mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); mem_used += sizeof(SCLBlock); mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); mem_used += sizeof(ACBlock) * tp->num_acbs; mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); mem_used += sizeof(ISBlock); mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); mem_used += MISC_DATA_SIZE; /* Allocate transmit FCB's. */ mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]; mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]; mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]; /* Allocate transmit BDBs. */ mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]; mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]; mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]; /* Allocate receive FCBs. */ mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]; mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]; /* Allocate receive BDBs. */ mem_used += sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]; /* Allocate MAC transmit buffers. * MAC transmit buffers don't have to be on an ODD Boundry. */ mem_used += tp->tx_buff_size[MAC_QUEUE]; /* Allocate BUG transmit buffers. */ mem_used += tp->tx_buff_size[BUG_QUEUE]; /* Allocate MAC receive data buffers. * MAC receive buffers don't have to be on a 256 byte boundary. */ mem_used += RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]; /* Allocate Non-MAC transmit buffers. * For maximum Netware performance, put Tx Buffers on * ODD Boundry,and then restore malloc to Even Boundrys. */ mem_used += 1L; mem_used += tp->tx_buff_size[NON_MAC_QUEUE]; mem_used += 1L; /* CALCULATE NUMBER OF NON-MAC RX BDB'S * AND NON-MAC RX DATA BUFFERS * * Make sure the mem_used offset at this point is the * same as in allocate_shared memory or the following * boundary adjustment will be incorrect (i.e. not allocating * the non-mac receive buffers above cannot change the 256 * byte offset). * * Since this cannot be guaranteed, adding the full 256 bytes * to the amount of shared memory used at this point will guaranteed * that the rx data buffers do not overflow shared memory. */ mem_used += 0x100; return((0xffff - mem_used) / (RX_DATA_BUFFER_SIZE + sizeof(BDBlock))); } static int smctr_get_physical_drop_number(struct net_device *dev) { smctr_issue_read_word_cmd(dev, RW_PHYSICAL_DROP_NUMBER); return(smctr_wait_cmd(dev)); } static __u8 * smctr_get_rx_pointer(struct net_device *dev, short queue) { struct net_local *tp = netdev_priv(dev); BDBlock *bdb; bdb = (BDBlock *)((__u32)tp->ram_access + (__u32)(tp->rx_fcb_curr[queue]->trc_bdb_ptr)); tp->rx_fcb_curr[queue]->bdb_ptr = bdb; return ((__u8 *)bdb->data_block_ptr); } static int smctr_get_station_id(struct net_device *dev) { smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_MAC_ADDRESS); return(smctr_wait_cmd(dev)); } /* * Get the current statistics. This may be called with the card open * or closed. */ static struct net_device_stats *smctr_get_stats(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); return ((struct net_device_stats *)&tp->MacStat); } static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, __u16 bytes_count) { struct net_local *tp = netdev_priv(dev); FCBlock *pFCB; BDBlock *pbdb; unsigned short alloc_size; unsigned short *temp; if(smctr_debug > 20) printk(KERN_DEBUG "smctr_get_tx_fcb\n"); /* check if there is enough FCB blocks */ if(tp->num_tx_fcbs_used[queue] >= tp->num_tx_fcbs[queue]) return ((FCBlock *)(-1L)); /* round off the input pkt size to the nearest even number */ alloc_size = (bytes_count + 1) & 0xfffe; /* check if enough mem */ if((tp->tx_buff_used[queue] + alloc_size) > tp->tx_buff_size[queue]) return ((FCBlock *)(-1L)); /* check if past the end ; * if exactly enough mem to end of ring, alloc from front. * this avoids update of curr when curr = end */ if(((unsigned long)(tp->tx_buff_curr[queue]) + alloc_size) >= (unsigned long)(tp->tx_buff_end[queue])) { /* check if enough memory from ring head */ alloc_size = alloc_size + (__u16)((__u32)tp->tx_buff_end[queue] - (__u32)tp->tx_buff_curr[queue]); if((tp->tx_buff_used[queue] + alloc_size) > tp->tx_buff_size[queue]) { return ((FCBlock *)(-1L)); } /* ring wrap */ tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; } tp->tx_buff_used[queue] += alloc_size; tp->num_tx_fcbs_used[queue]++; tp->tx_fcb_curr[queue]->frame_length = bytes_count; tp->tx_fcb_curr[queue]->memory_alloc = alloc_size; temp = tp->tx_buff_curr[queue]; tp->tx_buff_curr[queue] = (__u16 *)((__u32)temp + (__u32)((bytes_count + 1) & 0xfffe)); pbdb = tp->tx_fcb_curr[queue]->bdb_ptr; pbdb->buffer_length = bytes_count; pbdb->data_block_ptr = temp; pbdb->trc_data_block_ptr = TRC_POINTER(temp); pFCB = tp->tx_fcb_curr[queue]; tp->tx_fcb_curr[queue] = tp->tx_fcb_curr[queue]->next_ptr; return (pFCB); } static int smctr_get_upstream_neighbor_addr(struct net_device *dev) { smctr_issue_read_word_cmd(dev, RW_UPSTREAM_NEIGHBOR_ADDRESS); return(smctr_wait_cmd(dev)); } static int smctr_hardware_send_packet(struct net_device *dev, struct net_local *tp) { struct tr_statistics *tstat = &tp->MacStat; struct sk_buff *skb; FCBlock *fcb; if(smctr_debug > 10) printk(KERN_DEBUG"%s: smctr_hardware_send_packet\n", dev->name); if(tp->status != OPEN) return (-1); if(tp->monitor_state_ready != 1) return (-1); for(;;) { /* Send first buffer from queue */ skb = skb_dequeue(&tp->SendSkbQueue); if(skb == NULL) return (-1); tp->QueueSkb++; if(skb->len < SMC_HEADER_SIZE || skb->len > tp->max_packet_size) return (-1); smctr_enable_16bit(dev); smctr_set_page(dev, (__u8 *)tp->ram_access); if((fcb = smctr_get_tx_fcb(dev, NON_MAC_QUEUE, skb->len)) == (FCBlock *)(-1L)) { smctr_disable_16bit(dev); return (-1); } smctr_tx_move_frame(dev, skb, (__u8 *)fcb->bdb_ptr->data_block_ptr, skb->len); smctr_set_page(dev, (__u8 *)fcb); smctr_trc_send_packet(dev, fcb, NON_MAC_QUEUE); dev_kfree_skb(skb); tstat->tx_packets++; smctr_disable_16bit(dev); } return (0); } static int smctr_init_acbs(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i; ACBlock *acb; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_init_acbs\n", dev->name); acb = tp->acb_head; acb->cmd_done_status = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); acb->cmd_info = ACB_CHAIN_END; acb->cmd = 0; acb->subcmd = 0; acb->data_offset_lo = 0; acb->data_offset_hi = 0; acb->next_ptr = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); for(i = 1; i < tp->num_acbs; i++) { acb = acb->next_ptr; acb->cmd_done_status = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); acb->cmd_info = ACB_CHAIN_END; acb->cmd = 0; acb->subcmd = 0; acb->data_offset_lo = 0; acb->data_offset_hi = 0; acb->next_ptr = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); } acb->next_ptr = tp->acb_head; acb->trc_next_ptr = TRC_POINTER(tp->acb_head); tp->acb_next = tp->acb_head->next_ptr; tp->acb_curr = tp->acb_head->next_ptr; tp->num_acbs_used = 0; return (0); } static int smctr_init_adapter(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int err; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_init_adapter\n", dev->name); tp->status = CLOSED; tp->page_offset_mask = (tp->ram_usable * 1024) - 1; skb_queue_head_init(&tp->SendSkbQueue); tp->QueueSkb = MAX_TX_QUEUE; if(!(tp->group_address_0 & 0x0080)) tp->group_address_0 |= 0x00C0; if(!(tp->functional_address_0 & 0x00C0)) tp->functional_address_0 |= 0x00C0; tp->functional_address[0] &= 0xFF7F; if(tp->authorized_function_classes == 0) tp->authorized_function_classes = 0x7FFF; if(tp->authorized_access_priority == 0) tp->authorized_access_priority = 0x06; smctr_disable_bic_int(dev); smctr_set_trc_reset(dev->base_addr); smctr_enable_16bit(dev); smctr_set_page(dev, (__u8 *)tp->ram_access); if(smctr_checksum_firmware(dev)) { printk(KERN_ERR "%s: Previously loaded firmware is missing\n",dev->name); return (-ENOENT); } if((err = smctr_ram_memory_test(dev))) { printk(KERN_ERR "%s: RAM memory test failed.\n", dev->name); return (-EIO); } smctr_set_rx_look_ahead(dev); smctr_load_node_addr(dev); /* Initialize adapter for Internal Self Test. */ smctr_reset_adapter(dev); if((err = smctr_init_card_real(dev))) { printk(KERN_ERR "%s: Initialization of card failed (%d)\n", dev->name, err); return (-EINVAL); } /* This routine clobbers the TRC's internal registers. */ if((err = smctr_internal_self_test(dev))) { printk(KERN_ERR "%s: Card failed internal self test (%d)\n", dev->name, err); return (-EINVAL); } /* Re-Initialize adapter's internal registers */ smctr_reset_adapter(dev); if((err = smctr_init_card_real(dev))) { printk(KERN_ERR "%s: Initialization of card failed (%d)\n", dev->name, err); return (-EINVAL); } smctr_enable_bic_int(dev); if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) return (err); smctr_disable_16bit(dev); return (0); } static int smctr_init_card_real(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int err = 0; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_init_card_real\n", dev->name); tp->sh_mem_used = 0; tp->num_acbs = NUM_OF_ACBS; /* Range Check Max Packet Size */ if(tp->max_packet_size < 256) tp->max_packet_size = 256; else { if(tp->max_packet_size > NON_MAC_TX_BUFFER_MEMORY) tp->max_packet_size = NON_MAC_TX_BUFFER_MEMORY; } tp->num_of_tx_buffs = (NON_MAC_TX_BUFFER_MEMORY / tp->max_packet_size) - 1; if(tp->num_of_tx_buffs > NUM_NON_MAC_TX_FCBS) tp->num_of_tx_buffs = NUM_NON_MAC_TX_FCBS; else { if(tp->num_of_tx_buffs == 0) tp->num_of_tx_buffs = 1; } /* Tx queue constants */ tp->num_tx_fcbs [BUG_QUEUE] = NUM_BUG_TX_FCBS; tp->num_tx_bdbs [BUG_QUEUE] = NUM_BUG_TX_BDBS; tp->tx_buff_size [BUG_QUEUE] = BUG_TX_BUFFER_MEMORY; tp->tx_buff_used [BUG_QUEUE] = 0; tp->tx_queue_status [BUG_QUEUE] = NOT_TRANSMITING; tp->num_tx_fcbs [MAC_QUEUE] = NUM_MAC_TX_FCBS; tp->num_tx_bdbs [MAC_QUEUE] = NUM_MAC_TX_BDBS; tp->tx_buff_size [MAC_QUEUE] = MAC_TX_BUFFER_MEMORY; tp->tx_buff_used [MAC_QUEUE] = 0; tp->tx_queue_status [MAC_QUEUE] = NOT_TRANSMITING; tp->num_tx_fcbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_FCBS; tp->num_tx_bdbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_BDBS; tp->tx_buff_size [NON_MAC_QUEUE] = NON_MAC_TX_BUFFER_MEMORY; tp->tx_buff_used [NON_MAC_QUEUE] = 0; tp->tx_queue_status [NON_MAC_QUEUE] = NOT_TRANSMITING; /* Receive Queue Constants */ tp->num_rx_fcbs[MAC_QUEUE] = NUM_MAC_RX_FCBS; tp->num_rx_bdbs[MAC_QUEUE] = NUM_MAC_RX_BDBS; if(tp->extra_info & CHIP_REV_MASK) tp->num_rx_fcbs[NON_MAC_QUEUE] = 78; /* 825 Rev. XE */ else tp->num_rx_fcbs[NON_MAC_QUEUE] = 7; /* 825 Rev. XD */ tp->num_rx_bdbs[NON_MAC_QUEUE] = smctr_get_num_rx_bdbs(dev); smctr_alloc_shared_memory(dev); smctr_init_shared_memory(dev); if((err = smctr_issue_init_timers_cmd(dev))) return (err); if((err = smctr_issue_init_txrx_cmd(dev))) { printk(KERN_ERR "%s: Hardware failure\n", dev->name); return (err); } return (0); } static int smctr_init_rx_bdbs(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i, j; BDBlock *bdb; __u16 *buf; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_init_rx_bdbs\n", dev->name); for(i = 0; i < NUM_RX_QS_USED; i++) { bdb = tp->rx_bdb_head[i]; buf = tp->rx_buff_head[i]; bdb->info = (BDB_CHAIN_END | BDB_NO_WARNING); bdb->buffer_length = RX_DATA_BUFFER_SIZE; bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); bdb->data_block_ptr = buf; bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); if(i == NON_MAC_QUEUE) bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); else bdb->trc_data_block_ptr = TRC_POINTER(buf); for(j = 1; j < tp->num_rx_bdbs[i]; j++) { bdb->next_ptr->back_ptr = bdb; bdb = bdb->next_ptr; buf = (__u16 *)((char *)buf + RX_DATA_BUFFER_SIZE); bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); bdb->buffer_length = RX_DATA_BUFFER_SIZE; bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); bdb->data_block_ptr = buf; bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); if(i == NON_MAC_QUEUE) bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); else bdb->trc_data_block_ptr = TRC_POINTER(buf); } bdb->next_ptr = tp->rx_bdb_head[i]; bdb->trc_next_ptr = TRC_POINTER(tp->rx_bdb_head[i]); tp->rx_bdb_head[i]->back_ptr = bdb; tp->rx_bdb_curr[i] = tp->rx_bdb_head[i]->next_ptr; } return (0); } static int smctr_init_rx_fcbs(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i, j; FCBlock *fcb; for(i = 0; i < NUM_RX_QS_USED; i++) { fcb = tp->rx_fcb_head[i]; fcb->frame_status = 0; fcb->frame_length = 0; fcb->info = FCB_CHAIN_END; fcb->next_ptr = (FCBlock *)(((char*)fcb) + sizeof(FCBlock)); if(i == NON_MAC_QUEUE) fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); else fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); for(j = 1; j < tp->num_rx_fcbs[i]; j++) { fcb->next_ptr->back_ptr = fcb; fcb = fcb->next_ptr; fcb->frame_status = 0; fcb->frame_length = 0; fcb->info = FCB_WARNING; fcb->next_ptr = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); if(i == NON_MAC_QUEUE) fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); else fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); } fcb->next_ptr = tp->rx_fcb_head[i]; if(i == NON_MAC_QUEUE) fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); else fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); tp->rx_fcb_head[i]->back_ptr = fcb; tp->rx_fcb_curr[i] = tp->rx_fcb_head[i]->next_ptr; } return(0); } static int smctr_init_shared_memory(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i; __u32 *iscpb; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_init_shared_memory\n", dev->name); smctr_set_page(dev, (__u8 *)(unsigned int)tp->iscpb_ptr); /* Initialize Initial System Configuration Point. (ISCP) */ iscpb = (__u32 *)PAGE_POINTER(&tp->iscpb_ptr->trc_scgb_ptr); *iscpb = (__u32)(SWAP_WORDS(TRC_POINTER(tp->scgb_ptr))); smctr_set_page(dev, (__u8 *)tp->ram_access); /* Initialize System Configuration Pointers. (SCP) */ tp->scgb_ptr->config = (SCGB_ADDRESS_POINTER_FORMAT | SCGB_MULTI_WORD_CONTROL | SCGB_DATA_FORMAT | SCGB_BURST_LENGTH); tp->scgb_ptr->trc_sclb_ptr = TRC_POINTER(tp->sclb_ptr); tp->scgb_ptr->trc_acb_ptr = TRC_POINTER(tp->acb_head); tp->scgb_ptr->trc_isb_ptr = TRC_POINTER(tp->isb_ptr); tp->scgb_ptr->isbsiz = (sizeof(ISBlock)) - 2; /* Initialize System Control Block. (SCB) */ tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_NOP; tp->sclb_ptr->iack_code = 0; tp->sclb_ptr->resume_control = 0; tp->sclb_ptr->int_mask_control = 0; tp->sclb_ptr->int_mask_state = 0; /* Initialize Interrupt Status Block. (ISB) */ for(i = 0; i < NUM_OF_INTERRUPTS; i++) { tp->isb_ptr->IStatus[i].IType = 0xf0; tp->isb_ptr->IStatus[i].ISubtype = 0; } tp->current_isb_index = 0; /* Initialize Action Command Block. (ACB) */ smctr_init_acbs(dev); /* Initialize transmit FCB's and BDB's. */ smctr_link_tx_fcbs_to_bdbs(dev); smctr_init_tx_bdbs(dev); smctr_init_tx_fcbs(dev); /* Initialize receive FCB's and BDB's. */ smctr_init_rx_bdbs(dev); smctr_init_rx_fcbs(dev); return (0); } static int smctr_init_tx_bdbs(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i, j; BDBlock *bdb; for(i = 0; i < NUM_TX_QS_USED; i++) { bdb = tp->tx_bdb_head[i]; bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); for(j = 1; j < tp->num_tx_bdbs[i]; j++) { bdb->next_ptr->back_ptr = bdb; bdb = bdb->next_ptr; bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof( BDBlock)); bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); } bdb->next_ptr = tp->tx_bdb_head[i]; bdb->trc_next_ptr = TRC_POINTER(tp->tx_bdb_head[i]); tp->tx_bdb_head[i]->back_ptr = bdb; } return (0); } static int smctr_init_tx_fcbs(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i, j; FCBlock *fcb; for(i = 0; i < NUM_TX_QS_USED; i++) { fcb = tp->tx_fcb_head[i]; fcb->frame_status = 0; fcb->frame_length = 0; fcb->info = FCB_CHAIN_END; fcb->next_ptr = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); for(j = 1; j < tp->num_tx_fcbs[i]; j++) { fcb->next_ptr->back_ptr = fcb; fcb = fcb->next_ptr; fcb->frame_status = 0; fcb->frame_length = 0; fcb->info = FCB_CHAIN_END; fcb->next_ptr = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); } fcb->next_ptr = tp->tx_fcb_head[i]; fcb->trc_next_ptr = TRC_POINTER(tp->tx_fcb_head[i]); tp->tx_fcb_head[i]->back_ptr = fcb; tp->tx_fcb_end[i] = tp->tx_fcb_head[i]->next_ptr; tp->tx_fcb_curr[i] = tp->tx_fcb_head[i]->next_ptr; tp->num_tx_fcbs_used[i] = 0; } return (0); } static int smctr_internal_self_test(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int err; if((err = smctr_issue_test_internal_rom_cmd(dev))) return (err); if((err = smctr_wait_cmd(dev))) return (err); if(tp->acb_head->cmd_done_status & 0xff) return (-1); if((err = smctr_issue_test_hic_cmd(dev))) return (err); if((err = smctr_wait_cmd(dev))) return (err); if(tp->acb_head->cmd_done_status & 0xff) return (-1); if((err = smctr_issue_test_mac_reg_cmd(dev))) return (err); if((err = smctr_wait_cmd(dev))) return (err); if(tp->acb_head->cmd_done_status & 0xff) return (-1); return (0); } /* * The typical workload of the driver: Handle the network interface interrupts. */ static irqreturn_t smctr_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; struct net_local *tp; int ioaddr; __u16 interrupt_unmask_bits = 0, interrupt_ack_code = 0xff00; __u16 err1, err = NOT_MY_INTERRUPT; __u8 isb_type, isb_subtype; __u16 isb_index; ioaddr = dev->base_addr; tp = netdev_priv(dev); if(tp->status == NOT_INITIALIZED) return IRQ_NONE; spin_lock(&tp->lock); smctr_disable_bic_int(dev); smctr_enable_16bit(dev); smctr_clear_int(dev); /* First read the LSB */ while((tp->isb_ptr->IStatus[tp->current_isb_index].IType & 0xf0) == 0) { isb_index = tp->current_isb_index; isb_type = tp->isb_ptr->IStatus[isb_index].IType; isb_subtype = tp->isb_ptr->IStatus[isb_index].ISubtype; (tp->current_isb_index)++; if(tp->current_isb_index == NUM_OF_INTERRUPTS) tp->current_isb_index = 0; if(isb_type >= 0x10) { smctr_disable_16bit(dev); spin_unlock(&tp->lock); return IRQ_HANDLED; } err = HARDWARE_FAILED; interrupt_ack_code = isb_index; tp->isb_ptr->IStatus[isb_index].IType |= 0xf0; interrupt_unmask_bits |= (1 << (__u16)isb_type); switch(isb_type) { case ISB_IMC_MAC_TYPE_3: smctr_disable_16bit(dev); switch(isb_subtype) { case 0: tp->monitor_state = MS_MONITOR_FSM_INACTIVE; break; case 1: tp->monitor_state = MS_REPEAT_BEACON_STATE; break; case 2: tp->monitor_state = MS_REPEAT_CLAIM_TOKEN_STATE; break; case 3: tp->monitor_state = MS_TRANSMIT_CLAIM_TOKEN_STATE; break; case 4: tp->monitor_state = MS_STANDBY_MONITOR_STATE; break; case 5: tp->monitor_state = MS_TRANSMIT_BEACON_STATE; break; case 6: tp->monitor_state = MS_ACTIVE_MONITOR_STATE; break; case 7: tp->monitor_state = MS_TRANSMIT_RING_PURGE_STATE; break; case 8: /* diagnostic state */ break; case 9: tp->monitor_state = MS_BEACON_TEST_STATE; if(smctr_lobe_media_test(dev)) { tp->ring_status_flags = RING_STATUS_CHANGED; tp->ring_status = AUTO_REMOVAL_ERROR; smctr_ring_status_chg(dev); smctr_bypass_state(dev); } else smctr_issue_insert_cmd(dev); break; /* case 0x0a-0xff, illegal states */ default: break; } tp->ring_status_flags = MONITOR_STATE_CHANGED; err = smctr_ring_status_chg(dev); smctr_enable_16bit(dev); break; /* Type 0x02 - MAC Error Counters Interrupt * One or more MAC Error Counter is half full * MAC Error Counters * Lost_FR_Error_Counter * RCV_Congestion_Counter * FR_copied_Error_Counter * FREQ_Error_Counter * Token_Error_Counter * Line_Error_Counter * Internal_Error_Count */ case ISB_IMC_MAC_ERROR_COUNTERS: /* Read 802.5 Error Counters */ err = smctr_issue_read_ring_status_cmd(dev); break; /* Type 0x04 - MAC Type 2 Interrupt * HOST needs to enqueue MAC Frame for transmission * SubType Bit 15 - RQ_INIT_PDU( Request Initialization) * Changed from RQ_INIT_PDU to * TRC_Status_Changed_Indicate */ case ISB_IMC_MAC_TYPE_2: err = smctr_issue_read_ring_status_cmd(dev); break; /* Type 0x05 - TX Frame Interrupt (FI). */ case ISB_IMC_TX_FRAME: /* BUG QUEUE for TRC stuck receive BUG */ if(isb_subtype & TX_PENDING_PRIORITY_2) { if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) break; } /* NON-MAC frames only */ if(isb_subtype & TX_PENDING_PRIORITY_1) { if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) break; } /* MAC frames only */ if(isb_subtype & TX_PENDING_PRIORITY_0) err = smctr_tx_complete(dev, MAC_QUEUE); break; /* Type 0x06 - TX END OF QUEUE (FE) */ case ISB_IMC_END_OF_TX_QUEUE: /* BUG queue */ if(isb_subtype & TX_PENDING_PRIORITY_2) { /* ok to clear Receive FIFO overrun * imask send_BUG now completes. */ interrupt_unmask_bits |= 0x800; tp->tx_queue_status[BUG_QUEUE] = NOT_TRANSMITING; if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) break; if((err = smctr_restart_tx_chain(dev, BUG_QUEUE)) != SUCCESS) break; } /* NON-MAC queue only */ if(isb_subtype & TX_PENDING_PRIORITY_1) { tp->tx_queue_status[NON_MAC_QUEUE] = NOT_TRANSMITING; if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) break; if((err = smctr_restart_tx_chain(dev, NON_MAC_QUEUE)) != SUCCESS) break; } /* MAC queue only */ if(isb_subtype & TX_PENDING_PRIORITY_0) { tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; if((err = smctr_tx_complete(dev, MAC_QUEUE)) != SUCCESS) break; err = smctr_restart_tx_chain(dev, MAC_QUEUE); } break; /* Type 0x07 - NON-MAC RX Resource Interrupt * Subtype bit 12 - (BW) BDB warning * Subtype bit 13 - (FW) FCB warning * Subtype bit 14 - (BE) BDB End of chain * Subtype bit 15 - (FE) FCB End of chain */ case ISB_IMC_NON_MAC_RX_RESOURCE: tp->rx_fifo_overrun_count = 0; tp->receive_queue_number = NON_MAC_QUEUE; err1 = smctr_rx_frame(dev); if(isb_subtype & NON_MAC_RX_RESOURCE_FE) { if((err = smctr_issue_resume_rx_fcb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; if(tp->ptr_rx_fcb_overruns) (*tp->ptr_rx_fcb_overruns)++; } if(isb_subtype & NON_MAC_RX_RESOURCE_BE) { if((err = smctr_issue_resume_rx_bdb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; if(tp->ptr_rx_bdb_overruns) (*tp->ptr_rx_bdb_overruns)++; } err = err1; break; /* Type 0x08 - MAC RX Resource Interrupt * Subtype bit 12 - (BW) BDB warning * Subtype bit 13 - (FW) FCB warning * Subtype bit 14 - (BE) BDB End of chain * Subtype bit 15 - (FE) FCB End of chain */ case ISB_IMC_MAC_RX_RESOURCE: tp->receive_queue_number = MAC_QUEUE; err1 = smctr_rx_frame(dev); if(isb_subtype & MAC_RX_RESOURCE_FE) { if((err = smctr_issue_resume_rx_fcb_cmd( dev, MAC_QUEUE)) != SUCCESS) break; if(tp->ptr_rx_fcb_overruns) (*tp->ptr_rx_fcb_overruns)++; } if(isb_subtype & MAC_RX_RESOURCE_BE) { if((err = smctr_issue_resume_rx_bdb_cmd( dev, MAC_QUEUE)) != SUCCESS) break; if(tp->ptr_rx_bdb_overruns) (*tp->ptr_rx_bdb_overruns)++; } err = err1; break; /* Type 0x09 - NON_MAC RX Frame Interrupt */ case ISB_IMC_NON_MAC_RX_FRAME: tp->rx_fifo_overrun_count = 0; tp->receive_queue_number = NON_MAC_QUEUE; err = smctr_rx_frame(dev); break; /* Type 0x0A - MAC RX Frame Interrupt */ case ISB_IMC_MAC_RX_FRAME: tp->receive_queue_number = MAC_QUEUE; err = smctr_rx_frame(dev); break; /* Type 0x0B - TRC status * TRC has encountered an error condition * subtype bit 14 - transmit FIFO underrun * subtype bit 15 - receive FIFO overrun */ case ISB_IMC_TRC_FIFO_STATUS: if(isb_subtype & TRC_FIFO_STATUS_TX_UNDERRUN) { if(tp->ptr_tx_fifo_underruns) (*tp->ptr_tx_fifo_underruns)++; } if(isb_subtype & TRC_FIFO_STATUS_RX_OVERRUN) { /* update overrun stuck receive counter * if >= 3, has to clear it by sending * back to back frames. We pick * DAT(duplicate address MAC frame) */ tp->rx_fifo_overrun_count++; if(tp->rx_fifo_overrun_count >= 3) { tp->rx_fifo_overrun_count = 0; /* delay clearing fifo overrun * imask till send_BUG tx * complete posted */ interrupt_unmask_bits &= (~0x800); printk(KERN_CRIT "Jay please send bug\n");// smctr_send_bug(dev); } if(tp->ptr_rx_fifo_overruns) (*tp->ptr_rx_fifo_overruns)++; } err = SUCCESS; break; /* Type 0x0C - Action Command Status Interrupt * Subtype bit 14 - CB end of command chain (CE) * Subtype bit 15 - CB command interrupt (CI) */ case ISB_IMC_COMMAND_STATUS: err = SUCCESS; if(tp->acb_head->cmd == ACB_CMD_HIC_NOP) { printk(KERN_ERR "i1\n"); smctr_disable_16bit(dev); /* XXXXXXXXXXXXXXXXX */ /* err = UM_Interrupt(dev); */ smctr_enable_16bit(dev); } else { if((tp->acb_head->cmd == ACB_CMD_READ_TRC_STATUS) && (tp->acb_head->subcmd == RW_TRC_STATUS_BLOCK)) { if(tp->ptr_bcn_type != 0) { *(tp->ptr_bcn_type) = (__u32)((SBlock *)tp->misc_command_data)->BCN_Type; } if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & ERROR_COUNTERS_CHANGED) { smctr_update_err_stats(dev); } if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & TI_NDIS_RING_STATUS_CHANGED) { tp->ring_status = ((SBlock*)tp->misc_command_data)->TI_NDIS_Ring_Status; smctr_disable_16bit(dev); err = smctr_ring_status_chg(dev); smctr_enable_16bit(dev); if((tp->ring_status & REMOVE_RECEIVED) && (tp->config_word0 & NO_AUTOREMOVE)) { smctr_issue_remove_cmd(dev); } if(err != SUCCESS) { tp->acb_pending = 0; break; } } if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & UNA_CHANGED) { if(tp->ptr_una) { tp->ptr_una[0] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[0]); tp->ptr_una[1] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[1]); tp->ptr_una[2] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[2]); } } if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & READY_TO_SEND_RQ_INIT) { err = smctr_send_rq_init(dev); } } } tp->acb_pending = 0; break; /* Type 0x0D - MAC Type 1 interrupt * Subtype -- 00 FR_BCN received at S12 * 01 FR_BCN received at S21 * 02 FR_DAT(DA=MA, A<>0) received at S21 * 03 TSM_EXP at S21 * 04 FR_REMOVE received at S42 * 05 TBR_EXP, BR_FLAG_SET at S42 * 06 TBT_EXP at S53 */ case ISB_IMC_MAC_TYPE_1: if(isb_subtype > 8) { err = HARDWARE_FAILED; break; } err = SUCCESS; switch(isb_subtype) { case 0: tp->join_state = JS_BYPASS_STATE; if(tp->status != CLOSED) { tp->status = CLOSED; err = smctr_status_chg(dev); } break; case 1: tp->join_state = JS_LOBE_TEST_STATE; break; case 2: tp->join_state = JS_DETECT_MONITOR_PRESENT_STATE; break; case 3: tp->join_state = JS_AWAIT_NEW_MONITOR_STATE; break; case 4: tp->join_state = JS_DUPLICATE_ADDRESS_TEST_STATE; break; case 5: tp->join_state = JS_NEIGHBOR_NOTIFICATION_STATE; break; case 6: tp->join_state = JS_REQUEST_INITIALIZATION_STATE; break; case 7: tp->join_state = JS_JOIN_COMPLETE_STATE; tp->status = OPEN; err = smctr_status_chg(dev); break; case 8: tp->join_state = JS_BYPASS_WAIT_STATE; break; } break ; /* Type 0x0E - TRC Initialization Sequence Interrupt * Subtype -- 00-FF Initializatin sequence complete */ case ISB_IMC_TRC_INTRNL_TST_STATUS: tp->status = INITIALIZED; smctr_disable_16bit(dev); err = smctr_status_chg(dev); smctr_enable_16bit(dev); break; /* other interrupt types, illegal */ default: break; } if(err != SUCCESS) break; } /* Checking the ack code instead of the unmask bits here is because : * while fixing the stuck receive, DAT frame are sent and mask off * FIFO overrun interrupt temporarily (interrupt_unmask_bits = 0) * but we still want to issue ack to ISB */ if(!(interrupt_ack_code & 0xff00)) smctr_issue_int_ack(dev, interrupt_ack_code, interrupt_unmask_bits); smctr_disable_16bit(dev); smctr_enable_bic_int(dev); spin_unlock(&tp->lock); return IRQ_HANDLED; } static int smctr_issue_enable_int_cmd(struct net_device *dev, __u16 interrupt_enable_mask) { struct net_local *tp = netdev_priv(dev); int err; if((err = smctr_wait_while_cbusy(dev))) return (err); tp->sclb_ptr->int_mask_control = interrupt_enable_mask; tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; smctr_set_ctrl_attention(dev); return (0); } static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, __u16 ibits) { struct net_local *tp = netdev_priv(dev); if(smctr_wait_while_cbusy(dev)) return (-1); tp->sclb_ptr->int_mask_control = ibits; tp->sclb_ptr->iack_code = iack_code << 1; /* use the offset from base */ tp->sclb_ptr->resume_control = 0; tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_IACK_CODE_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; smctr_set_ctrl_attention(dev); return (0); } static int smctr_issue_init_timers_cmd(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i; int err; __u16 *pTimer_Struc = (__u16 *)tp->misc_command_data; if((err = smctr_wait_while_cbusy(dev))) return (err); if((err = smctr_wait_cmd(dev))) return (err); tp->config_word0 = THDREN | DMA_TRIGGER | USETPT | NO_AUTOREMOVE; tp->config_word1 = 0; if((tp->media_type == MEDIA_STP_16) || (tp->media_type == MEDIA_UTP_16) || (tp->media_type == MEDIA_STP_16_UTP_16)) { tp->config_word0 |= FREQ_16MB_BIT; } if(tp->mode_bits & EARLY_TOKEN_REL) tp->config_word0 |= ETREN; if(tp->mode_bits & LOOPING_MODE_MASK) tp->config_word0 |= RX_OWN_BIT; else tp->config_word0 &= ~RX_OWN_BIT; if(tp->receive_mask & PROMISCUOUS_MODE) tp->config_word0 |= PROMISCUOUS_BIT; else tp->config_word0 &= ~PROMISCUOUS_BIT; if(tp->receive_mask & ACCEPT_ERR_PACKETS) tp->config_word0 |= SAVBAD_BIT; else tp->config_word0 &= ~SAVBAD_BIT; if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) tp->config_word0 |= RXATMAC; else tp->config_word0 &= ~RXATMAC; if(tp->receive_mask & ACCEPT_MULTI_PROM) tp->config_word1 |= MULTICAST_ADDRESS_BIT; else tp->config_word1 &= ~MULTICAST_ADDRESS_BIT; if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING) tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS; else { if(tp->receive_mask & ACCEPT_SOURCE_ROUTING) tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT; else tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS; } if((tp->media_type == MEDIA_STP_16) || (tp->media_type == MEDIA_UTP_16) || (tp->media_type == MEDIA_STP_16_UTP_16)) { tp->config_word1 |= INTERFRAME_SPACING_16; } else tp->config_word1 |= INTERFRAME_SPACING_4; *pTimer_Struc++ = tp->config_word0; *pTimer_Struc++ = tp->config_word1; if((tp->media_type == MEDIA_STP_4) || (tp->media_type == MEDIA_UTP_4) || (tp->media_type == MEDIA_STP_4_UTP_4)) { *pTimer_Struc++ = 0x00FA; /* prescale */ *pTimer_Struc++ = 0x2710; /* TPT_limit */ *pTimer_Struc++ = 0x2710; /* TQP_limit */ *pTimer_Struc++ = 0x0A28; /* TNT_limit */ *pTimer_Struc++ = 0x3E80; /* TBT_limit */ *pTimer_Struc++ = 0x3A98; /* TSM_limit */ *pTimer_Struc++ = 0x1B58; /* TAM_limit */ *pTimer_Struc++ = 0x00C8; /* TBR_limit */ *pTimer_Struc++ = 0x07D0; /* TER_limit */ *pTimer_Struc++ = 0x000A; /* TGT_limit */ *pTimer_Struc++ = 0x1162; /* THT_limit */ *pTimer_Struc++ = 0x07D0; /* TRR_limit */ *pTimer_Struc++ = 0x1388; /* TVX_limit */ *pTimer_Struc++ = 0x0000; /* reserved */ } else { *pTimer_Struc++ = 0x03E8; /* prescale */ *pTimer_Struc++ = 0x9C40; /* TPT_limit */ *pTimer_Struc++ = 0x9C40; /* TQP_limit */ *pTimer_Struc++ = 0x0A28; /* TNT_limit */ *pTimer_Struc++ = 0x3E80; /* TBT_limit */ *pTimer_Struc++ = 0x3A98; /* TSM_limit */ *pTimer_Struc++ = 0x1B58; /* TAM_limit */ *pTimer_Struc++ = 0x00C8; /* TBR_limit */ *pTimer_Struc++ = 0x07D0; /* TER_limit */ *pTimer_Struc++ = 0x000A; /* TGT_limit */ *pTimer_Struc++ = 0x4588; /* THT_limit */ *pTimer_Struc++ = 0x1F40; /* TRR_limit */ *pTimer_Struc++ = 0x4E20; /* TVX_limit */ *pTimer_Struc++ = 0x0000; /* reserved */ } /* Set node address. */ *pTimer_Struc++ = dev->dev_addr[0] << 8 | (dev->dev_addr[1] & 0xFF); *pTimer_Struc++ = dev->dev_addr[2] << 8 | (dev->dev_addr[3] & 0xFF); *pTimer_Struc++ = dev->dev_addr[4] << 8 | (dev->dev_addr[5] & 0xFF); /* Set group address. */ *pTimer_Struc++ = tp->group_address_0 << 8 | tp->group_address_0 >> 8; *pTimer_Struc++ = tp->group_address[0] << 8 | tp->group_address[0] >> 8; *pTimer_Struc++ = tp->group_address[1] << 8 | tp->group_address[1] >> 8; /* Set functional address. */ *pTimer_Struc++ = tp->functional_address_0 << 8 | tp->functional_address_0 >> 8; *pTimer_Struc++ = tp->functional_address[0] << 8 | tp->functional_address[0] >> 8; *pTimer_Struc++ = tp->functional_address[1] << 8 | tp->functional_address[1] >> 8; /* Set Bit-Wise group address. */ *pTimer_Struc++ = tp->bitwise_group_address[0] << 8 | tp->bitwise_group_address[0] >> 8; *pTimer_Struc++ = tp->bitwise_group_address[1] << 8 | tp->bitwise_group_address[1] >> 8; /* Set ring number address. */ *pTimer_Struc++ = tp->source_ring_number; *pTimer_Struc++ = tp->target_ring_number; /* Physical drop number. */ *pTimer_Struc++ = (unsigned short)0; *pTimer_Struc++ = (unsigned short)0; /* Product instance ID. */ for(i = 0; i < 9; i++) *pTimer_Struc++ = (unsigned short)0; err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TRC_TIMERS, 0); return (err); } static int smctr_issue_init_txrx_cmd(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i; int err; void **txrx_ptrs = (void *)tp->misc_command_data; if((err = smctr_wait_while_cbusy(dev))) return (err); if((err = smctr_wait_cmd(dev))) { printk(KERN_ERR "%s: Hardware failure\n", dev->name); return (err); } /* Initialize Transmit Queue Pointers that are used, to point to * a single FCB. */ for(i = 0; i < NUM_TX_QS_USED; i++) *txrx_ptrs++ = (void *)TRC_POINTER(tp->tx_fcb_head[i]); /* Initialize Transmit Queue Pointers that are NOT used to ZERO. */ for(; i < MAX_TX_QS; i++) *txrx_ptrs++ = (void *)0; /* Initialize Receive Queue Pointers (MAC and Non-MAC) that are * used, to point to a single FCB and a BDB chain of buffers. */ for(i = 0; i < NUM_RX_QS_USED; i++) { *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_fcb_head[i]); *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_bdb_head[i]); } /* Initialize Receive Queue Pointers that are NOT used to ZERO. */ for(; i < MAX_RX_QS; i++) { *txrx_ptrs++ = (void *)0; *txrx_ptrs++ = (void *)0; } err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TX_RX, 0); return (err); } static int smctr_issue_insert_cmd(struct net_device *dev) { int err; err = smctr_setup_single_cmd(dev, ACB_CMD_INSERT, ACB_SUB_CMD_NOP); return (err); } static int smctr_issue_read_ring_status_cmd(struct net_device *dev) { int err; if((err = smctr_wait_while_cbusy(dev))) return (err); if((err = smctr_wait_cmd(dev))) return (err); err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_READ_TRC_STATUS, RW_TRC_STATUS_BLOCK); return (err); } static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt) { int err; if((err = smctr_wait_while_cbusy(dev))) return (err); if((err = smctr_wait_cmd(dev))) return (err); err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_READ_VALUE, aword_cnt); return (err); } static int smctr_issue_remove_cmd(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int err; if((err = smctr_wait_while_cbusy(dev))) return (err); tp->sclb_ptr->resume_control = 0; tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_REMOVE; smctr_set_ctrl_attention(dev); return (0); } static int smctr_issue_resume_acb_cmd(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int err; if((err = smctr_wait_while_cbusy(dev))) return (err); tp->sclb_ptr->resume_control = SCLB_RC_ACB; tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; tp->acb_pending = 1; smctr_set_ctrl_attention(dev); return (0); } static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue) { struct net_local *tp = netdev_priv(dev); int err; if((err = smctr_wait_while_cbusy(dev))) return (err); if(queue == MAC_QUEUE) tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_BDB; else tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_BDB; tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; smctr_set_ctrl_attention(dev); return (0); } static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue) { struct net_local *tp = netdev_priv(dev); if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_issue_resume_rx_fcb_cmd\n", dev->name); if(smctr_wait_while_cbusy(dev)) return (-1); if(queue == MAC_QUEUE) tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_FCB; else tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_FCB; tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; smctr_set_ctrl_attention(dev); return (0); } static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue) { struct net_local *tp = netdev_priv(dev); if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_issue_resume_tx_fcb_cmd\n", dev->name); if(smctr_wait_while_cbusy(dev)) return (-1); tp->sclb_ptr->resume_control = (SCLB_RC_TFCB0 << queue); tp->sclb_ptr->valid_command = SCLB_RESUME_CONTROL_VALID | SCLB_VALID; smctr_set_ctrl_attention(dev); return (0); } static int smctr_issue_test_internal_rom_cmd(struct net_device *dev) { int err; err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, TRC_INTERNAL_ROM_TEST); return (err); } static int smctr_issue_test_hic_cmd(struct net_device *dev) { int err; err = smctr_setup_single_cmd(dev, ACB_CMD_HIC_TEST, TRC_HOST_INTERFACE_REG_TEST); return (err); } static int smctr_issue_test_mac_reg_cmd(struct net_device *dev) { int err; err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, TRC_MAC_REGISTERS_TEST); return (err); } static int smctr_issue_trc_loopback_cmd(struct net_device *dev) { int err; err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, TRC_INTERNAL_LOOPBACK); return (err); } static int smctr_issue_tri_loopback_cmd(struct net_device *dev) { int err; err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, TRC_TRI_LOOPBACK); return (err); } static int smctr_issue_write_byte_cmd(struct net_device *dev, short aword_cnt, void *byte) { struct net_local *tp = netdev_priv(dev); unsigned int iword, ibyte; int err; if((err = smctr_wait_while_cbusy(dev))) return (err); if((err = smctr_wait_cmd(dev))) return (err); for(iword = 0, ibyte = 0; iword < (unsigned int)(aword_cnt & 0xff); iword++, ibyte += 2) { tp->misc_command_data[iword] = (*((__u8 *)byte + ibyte) << 8) | (*((__u8 *)byte + ibyte + 1)); } return (smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, aword_cnt)); } static int smctr_issue_write_word_cmd(struct net_device *dev, short aword_cnt, void *word) { struct net_local *tp = netdev_priv(dev); unsigned int i, err; if((err = smctr_wait_while_cbusy(dev))) return (err); if((err = smctr_wait_cmd(dev))) return (err); for(i = 0; i < (unsigned int)(aword_cnt & 0xff); i++) tp->misc_command_data[i] = *((__u16 *)word + i); err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, aword_cnt); return (err); } static int smctr_join_complete_state(struct net_device *dev) { int err; err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, JS_JOIN_COMPLETE_STATE); return (err); } static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i, j; FCBlock *fcb; BDBlock *bdb; for(i = 0; i < NUM_TX_QS_USED; i++) { fcb = tp->tx_fcb_head[i]; bdb = tp->tx_bdb_head[i]; for(j = 0; j < tp->num_tx_fcbs[i]; j++) { fcb->bdb_ptr = bdb; fcb->trc_bdb_ptr = TRC_POINTER(bdb); fcb = (FCBlock *)((char *)fcb + sizeof(FCBlock)); bdb = (BDBlock *)((char *)bdb + sizeof(BDBlock)); } } return (0); } static int smctr_load_firmware(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); __u16 i, checksum = 0; int err = 0; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_load_firmware\n", dev->name); tp->ptr_ucode = smctr_code; tp->num_of_tx_buffs = 4; tp->mode_bits |= UMAC; tp->receive_mask = 0; tp->max_packet_size = 4177; /* Can only upload the firmware once per adapter reset. */ if(tp->microcode_version != 0) return (UCODE_PRESENT); /* Verify the firmware exists and is there in the right amount. */ if((tp->ptr_ucode == 0L) || (*(tp->ptr_ucode + UCODE_VERSION_OFFSET) < UCODE_VERSION)) { return (UCODE_NOT_PRESENT); } /* UCODE_SIZE is not included in Checksum. */ for(i = 0; i < *((__u16 *)(tp->ptr_ucode + UCODE_SIZE_OFFSET)); i += 2) checksum += *((__u16 *)(tp->ptr_ucode + 2 + i)); if(checksum) return (UCODE_NOT_PRESENT); /* At this point we have a valid firmware image, lets kick it on up. */ smctr_enable_adapter_ram(dev); smctr_enable_16bit(dev); smctr_set_page(dev, (__u8 *)tp->ram_access); if((smctr_checksum_firmware(dev)) || (*(tp->ptr_ucode + UCODE_VERSION_OFFSET) > tp->microcode_version)) { smctr_enable_adapter_ctrl_store(dev); /* Zero out ram space for firmware. */ for(i = 0; i < CS_RAM_SIZE; i += 2) *((__u16 *)(tp->ram_access + i)) = 0; smctr_decode_firmware(dev); tp->microcode_version = *(tp->ptr_ucode + UCODE_VERSION_OFFSET); *((__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET)) = (tp->microcode_version << 8); *((__u16 *)(tp->ram_access + CS_RAM_CHECKSUM_OFFSET)) = ~(tp->microcode_version << 8) + 1; smctr_disable_adapter_ctrl_store(dev); if(smctr_checksum_firmware(dev)) err = HARDWARE_FAILED; } else err = UCODE_PRESENT; smctr_disable_16bit(dev); return (err); } static int smctr_load_node_addr(struct net_device *dev) { int ioaddr = dev->base_addr; unsigned int i; __u8 r; for(i = 0; i < 6; i++) { r = inb(ioaddr + LAR0 + i); dev->dev_addr[i] = (char)r; } dev->addr_len = 6; return (0); } /* Lobe Media Test. * During the transmission of the initial 1500 lobe media MAC frames, * the phase lock loop in the 805 chip may lock, and then un-lock, causing * the 825 to go into a PURGE state. When performing a PURGE, the MCT * microcode will not transmit any frames given to it by the host, and * will consequently cause a timeout. * * NOTE 1: If the monitor_state is MS_BEACON_TEST_STATE, all transmit * queues other then the one used for the lobe_media_test should be * disabled.!? * * NOTE 2: If the monitor_state is MS_BEACON_TEST_STATE and the receive_mask * has any multi-cast or promiscous bits set, the receive_mask needs to * be changed to clear the multi-cast or promiscous mode bits, the lobe_test * run, and then the receive mask set back to its original value if the test * is successful. */ static int smctr_lobe_media_test(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned int i, perror = 0; unsigned short saved_rcv_mask; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_lobe_media_test\n", dev->name); /* Clear receive mask for lobe test. */ saved_rcv_mask = tp->receive_mask; tp->receive_mask = 0; smctr_chg_rx_mask(dev); /* Setup the lobe media test. */ smctr_lobe_media_test_cmd(dev); if(smctr_wait_cmd(dev)) { smctr_reset_adapter(dev); tp->status = CLOSED; return (LOBE_MEDIA_TEST_FAILED); } /* Tx lobe media test frames. */ for(i = 0; i < 1500; ++i) { if(smctr_send_lobe_media_test(dev)) { if(perror) { smctr_reset_adapter(dev); tp->state = CLOSED; return (LOBE_MEDIA_TEST_FAILED); } else { perror = 1; if(smctr_lobe_media_test_cmd(dev)) { smctr_reset_adapter(dev); tp->state = CLOSED; return (LOBE_MEDIA_TEST_FAILED); } } } } if(smctr_send_dat(dev)) { if(smctr_send_dat(dev)) { smctr_reset_adapter(dev); tp->state = CLOSED; return (LOBE_MEDIA_TEST_FAILED); } } /* Check if any frames received during test. */ if((tp->rx_fcb_curr[MAC_QUEUE]->frame_status) || (tp->rx_fcb_curr[NON_MAC_QUEUE]->frame_status)) { smctr_reset_adapter(dev); tp->state = CLOSED; return (LOBE_MEDIA_TEST_FAILED); } /* Set receive mask to "Promisc" mode. */ tp->receive_mask = saved_rcv_mask; smctr_chg_rx_mask(dev); return (0); } static int smctr_lobe_media_test_cmd(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); int err; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_lobe_media_test_cmd\n", dev->name); /* Change to lobe media test state. */ if(tp->monitor_state != MS_BEACON_TEST_STATE) { smctr_lobe_media_test_state(dev); if(smctr_wait_cmd(dev)) { printk(KERN_ERR "Lobe Failed test state\n"); return (LOBE_MEDIA_TEST_FAILED); } } err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, TRC_LOBE_MEDIA_TEST); return (err); } static int smctr_lobe_media_test_state(struct net_device *dev) { int err; err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, JS_LOBE_TEST_STATE); return (err); } static int smctr_make_8025_hdr(struct net_device *dev, MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc) { tmf->ac = MSB(ac_fc); /* msb is access control */ tmf->fc = LSB(ac_fc); /* lsb is frame control */ tmf->sa[0] = dev->dev_addr[0]; tmf->sa[1] = dev->dev_addr[1]; tmf->sa[2] = dev->dev_addr[2]; tmf->sa[3] = dev->dev_addr[3]; tmf->sa[4] = dev->dev_addr[4]; tmf->sa[5] = dev->dev_addr[5]; switch(tmf->vc) { /* Send RQ_INIT to RPS */ case RQ_INIT: tmf->da[0] = 0xc0; tmf->da[1] = 0x00; tmf->da[2] = 0x00; tmf->da[3] = 0x00; tmf->da[4] = 0x00; tmf->da[5] = 0x02; break; /* Send RPT_TX_FORWARD to CRS */ case RPT_TX_FORWARD: tmf->da[0] = 0xc0; tmf->da[1] = 0x00; tmf->da[2] = 0x00; tmf->da[3] = 0x00; tmf->da[4] = 0x00; tmf->da[5] = 0x10; break; /* Everything else goes to sender */ default: tmf->da[0] = rmf->sa[0]; tmf->da[1] = rmf->sa[1]; tmf->da[2] = rmf->sa[2]; tmf->da[3] = rmf->sa[3]; tmf->da[4] = rmf->sa[4]; tmf->da[5] = rmf->sa[5]; break; } return (0); } static int smctr_make_access_pri(struct net_device *dev, MAC_SUB_VECTOR *tsv) { struct net_local *tp = netdev_priv(dev); tsv->svi = AUTHORIZED_ACCESS_PRIORITY; tsv->svl = S_AUTHORIZED_ACCESS_PRIORITY; tsv->svv[0] = MSB(tp->authorized_access_priority); tsv->svv[1] = LSB(tp->authorized_access_priority); return (0); } static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv) { tsv->svi = ADDRESS_MODIFER; tsv->svl = S_ADDRESS_MODIFER; tsv->svv[0] = 0; tsv->svv[1] = 0; return (0); } static int smctr_make_auth_funct_class(struct net_device *dev, MAC_SUB_VECTOR *tsv) { struct net_local *tp = netdev_priv(dev); tsv->svi = AUTHORIZED_FUNCTION_CLASS; tsv->svl = S_AUTHORIZED_FUNCTION_CLASS; tsv->svv[0] = MSB(tp->authorized_function_classes); tsv->svv[1] = LSB(tp->authorized_function_classes); return (0); } static int smctr_make_corr(struct net_device *dev, MAC_SUB_VECTOR *tsv, __u16 correlator) { tsv->svi = CORRELATOR; tsv->svl = S_CORRELATOR; tsv->svv[0] = MSB(correlator); tsv->svv[1] = LSB(correlator); return (0); } static int smctr_make_funct_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) { struct net_local *tp = netdev_priv(dev); smctr_get_functional_address(dev); tsv->svi = FUNCTIONAL_ADDRESS; tsv->svl = S_FUNCTIONAL_ADDRESS; tsv->svv[0] = MSB(tp->misc_command_data[0]); tsv->svv[1] = LSB(tp->misc_command_data[0]); tsv->svv[2] = MSB(tp->misc_command_data[1]); tsv->svv[3] = LSB(tp->misc_command_data[1]); return (0); } static int smctr_make_group_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) { struct net_local *tp = netdev_priv(dev); smctr_get_group_address(dev); tsv->svi = GROUP_ADDRESS; tsv->svl = S_GROUP_ADDRESS; tsv->svv[0] = MSB(tp->misc_command_data[0]); tsv->svv[1] = LSB(tp->misc_command_data[0]); tsv->svv[2] = MSB(tp->misc_command_data[1]); tsv->svv[3] = LSB(tp->misc_command_data[1]); /* Set Group Address Sub-vector to all zeros if only the * Group Address/Functional Address Indicator is set. */ if(tsv->svv[0] == 0x80 && tsv->svv[1] == 0x00 && tsv->svv[2] == 0x00 && tsv->svv[3] == 0x00) tsv->svv[0] = 0x00; return (0); } static int smctr_make_phy_drop_num(struct net_device *dev, MAC_SUB_VECTOR *tsv) { struct net_local *tp = netdev_priv(dev); smctr_get_physical_drop_number(dev); tsv->svi = PHYSICAL_DROP; tsv->svl = S_PHYSICAL_DROP; tsv->svv[0] = MSB(tp->misc_command_data[0]); tsv->svv[1] = LSB(tp->misc_command_data[0]); tsv->svv[2] = MSB(tp->misc_command_data[1]); tsv->svv[3] = LSB(tp->misc_command_data[1]); return (0); } static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) { int i; tsv->svi = PRODUCT_INSTANCE_ID; tsv->svl = S_PRODUCT_INSTANCE_ID; for(i = 0; i < 18; i++) tsv->svv[i] = 0xF0; return (0); } static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) { struct net_local *tp = netdev_priv(dev); smctr_get_station_id(dev); tsv->svi = STATION_IDENTIFER; tsv->svl = S_STATION_IDENTIFER; tsv->svv[0] = MSB(tp->misc_command_data[0]); tsv->svv[1] = LSB(tp->misc_command_data[0]); tsv->svv[2] = MSB(tp->misc_command_data[1]); tsv->svv[3] = LSB(tp->misc_command_data[1]); tsv->svv[4] = MSB(tp->misc_command_data[2]); tsv->svv[5] = LSB(tp->misc_command_data[2]); return (0); } static int smctr_make_ring_station_status(struct net_device *dev, MAC_SUB_VECTOR * tsv) { tsv->svi = RING_STATION_STATUS; tsv->svl = S_RING_STATION_STATUS; tsv->svv[0] = 0; tsv->svv[1] = 0; tsv->svv[2] = 0; tsv->svv[3] = 0; tsv->svv[4] = 0; tsv->svv[5] = 0; return (0); } static int smctr_make_ring_station_version(struct net_device *dev, MAC_SUB_VECTOR *tsv) { struct net_local *tp = netdev_priv(dev); tsv->svi = RING_STATION_VERSION_NUMBER; tsv->svl = S_RING_STATION_VERSION_NUMBER; tsv->svv[0] = 0xe2; /* EBCDIC - S */ tsv->svv[1] = 0xd4; /* EBCDIC - M */ tsv->svv[2] = 0xc3; /* EBCDIC - C */ tsv->svv[3] = 0x40; /* EBCDIC - */ tsv->svv[4] = 0xe5; /* EBCDIC - V */ tsv->svv[5] = 0xF0 + (tp->microcode_version >> 4); tsv->svv[6] = 0xF0 + (tp->microcode_version & 0x0f); tsv->svv[7] = 0x40; /* EBCDIC - */ tsv->svv[8] = 0xe7; /* EBCDIC - X */ if(tp->extra_info & CHIP_REV_MASK) tsv->svv[9] = 0xc5; /* EBCDIC - E */ else tsv->svv[9] = 0xc4; /* EBCDIC - D */ return (0); } static int smctr_make_tx_status_code(struct net_device *dev, MAC_SUB_VECTOR *tsv, __u16 tx_fstatus) { tsv->svi = TRANSMIT_STATUS_CODE; tsv->svl = S_TRANSMIT_STATUS_CODE; tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) || IBM_PASS_SOURCE_ADDR); /* Stripped frame status of Transmitted Frame */ tsv->svv[1] = tx_fstatus & 0xff; return (0); } static int smctr_make_upstream_neighbor_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) { struct net_local *tp = netdev_priv(dev); smctr_get_upstream_neighbor_addr(dev); tsv->svi = UPSTREAM_NEIGHBOR_ADDRESS; tsv->svl = S_UPSTREAM_NEIGHBOR_ADDRESS; tsv->svv[0] = MSB(tp->misc_command_data[0]); tsv->svv[1] = LSB(tp->misc_command_data[0]); tsv->svv[2] = MSB(tp->misc_command_data[1]); tsv->svv[3] = LSB(tp->misc_command_data[1]); tsv->svv[4] = MSB(tp->misc_command_data[2]); tsv->svv[5] = LSB(tp->misc_command_data[2]); return (0); } static int smctr_make_wrap_data(struct net_device *dev, MAC_SUB_VECTOR *tsv) { tsv->svi = WRAP_DATA; tsv->svl = S_WRAP_DATA; return (0); } /* * Open/initialize the board. This is called sometime after * booting when the 'ifconfig' program is run. * * This routine should set everything up anew at each open, even * registers that "should" only need to be set once at boot, so that * there is non-reboot way to recover if something goes wrong. */ static int smctr_open(struct net_device *dev) { int err; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_open\n", dev->name); err = smctr_init_adapter(dev); if(err < 0) return (err); return (err); } /* Interrupt driven open of Token card. */ static int smctr_open_tr(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); unsigned long flags; int err; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_open_tr\n", dev->name); /* Now we can actually open the adapter. */ if(tp->status == OPEN) return (0); if(tp->status != INITIALIZED) return (-1); /* FIXME: it would work a lot better if we masked the irq sources on the card here, then we could skip the locking and poll nicely */ spin_lock_irqsave(&tp->lock, flags); smctr_set_page(dev, (__u8 *)tp->ram_access); if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)MAC_QUEUE))) goto out; if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)MAC_QUEUE))) goto out; if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)NON_MAC_QUEUE))) goto out; if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)NON_MAC_QUEUE))) goto out; tp->status = CLOSED; /* Insert into the Ring or Enter Loopback Mode. */ if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_1) { tp->status = CLOSED; if(!(err = smctr_issue_trc_loopback_cmd(dev))) { if(!(err = smctr_wait_cmd(dev))) tp->status = OPEN; } smctr_status_chg(dev); } else { if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_2) { tp->status = CLOSED; if(!(err = smctr_issue_tri_loopback_cmd(dev))) { if(!(err = smctr_wait_cmd(dev))) tp->status = OPEN; } smctr_status_chg(dev); } else { if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_3) { tp->status = CLOSED; if(!(err = smctr_lobe_media_test_cmd(dev))) { if(!(err = smctr_wait_cmd(dev))) tp->status = OPEN; } smctr_status_chg(dev); } else { if(!(err = smctr_lobe_media_test(dev))) err = smctr_issue_insert_cmd(dev); else { if(err == LOBE_MEDIA_TEST_FAILED) printk(KERN_WARNING "%s: Lobe Media Test Failure - Check cable?\n", dev->name); } } } } out: spin_unlock_irqrestore(&tp->lock, flags); return (err); } /* Check for a network adapter of this type, * and return device structure if one exists. */ struct net_device __init *smctr_probe(int unit) { struct net_device *dev = alloc_trdev(sizeof(struct net_local)); static const unsigned ports[] = { 0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0, 0x300, 0x320, 0x340, 0x360, 0x380, 0 }; const unsigned *port; int err = 0; if (!dev) return ERR_PTR(-ENOMEM); if (unit >= 0) { sprintf(dev->name, "tr%d", unit); netdev_boot_setup_check(dev); } if (dev->base_addr > 0x1ff) /* Check a single specified location. */ err = smctr_probe1(dev, dev->base_addr); else if(dev->base_addr != 0) /* Don't probe at all. */ err =-ENXIO; else { for (port = ports; *port; port++) { err = smctr_probe1(dev, *port); if (!err) break; } } if (err) goto out; err = register_netdev(dev); if (err) goto out1; return dev; out1: #ifdef CONFIG_MCA_LEGACY { struct net_local *tp = netdev_priv(dev); if (tp->slot_num) mca_mark_as_unused(tp->slot_num); } #endif release_region(dev->base_addr, SMCTR_IO_EXTENT); free_irq(dev->irq, dev); out: free_netdev(dev); return ERR_PTR(err); } static int __init smctr_probe1(struct net_device *dev, int ioaddr) { static unsigned version_printed; struct net_local *tp = netdev_priv(dev); int err; __u32 *ram; if(smctr_debug && version_printed++ == 0) printk(version); spin_lock_init(&tp->lock); dev->base_addr = ioaddr; /* Actually detect an adapter now. */ err = smctr_chk_isa(dev); if(err < 0) { if ((err = smctr_chk_mca(dev)) < 0) { err = -ENODEV; goto out; } } tp = netdev_priv(dev); dev->mem_start = tp->ram_base; dev->mem_end = dev->mem_start + 0x10000; ram = (__u32 *)phys_to_virt(dev->mem_start); tp->ram_access = *(__u32 *)&ram; tp->status = NOT_INITIALIZED; err = smctr_load_firmware(dev); if(err != UCODE_PRESENT && err != SUCCESS) { printk(KERN_ERR "%s: Firmware load failed (%d)\n", dev->name, err); err = -EIO; goto out; } /* Allow user to specify ring speed on module insert. */ if(ringspeed == 4) tp->media_type = MEDIA_UTP_4; else tp->media_type = MEDIA_UTP_16; printk(KERN_INFO "%s: %s %s at Io %#4x, Irq %d, Rom %#4x, Ram %#4x.\n", dev->name, smctr_name, smctr_model, (unsigned int)dev->base_addr, dev->irq, tp->rom_base, tp->ram_base); dev->open = smctr_open; dev->stop = smctr_close; dev->hard_start_xmit = smctr_send_packet; dev->tx_timeout = smctr_timeout; dev->watchdog_timeo = HZ; dev->get_stats = smctr_get_stats; dev->set_multicast_list = &smctr_set_multicast_list; return (0); out: return err; } static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, struct net_device *dev, __u16 rx_status) { struct net_local *tp = netdev_priv(dev); struct sk_buff *skb; __u16 rcode, correlator; int err = 0; __u8 xframe = 1; rmf->vl = SWAP_BYTES(rmf->vl); if(rx_status & FCB_RX_STATUS_DA_MATCHED) { switch(rmf->vc) { /* Received MAC Frames Processed by RS. */ case INIT: if((rcode = smctr_rcv_init(dev, rmf, &correlator)) == HARDWARE_FAILED) { return (rcode); } if((err = smctr_send_rsp(dev, rmf, rcode, correlator))) { return (err); } break; case CHG_PARM: if((rcode = smctr_rcv_chg_param(dev, rmf, &correlator)) ==HARDWARE_FAILED) { return (rcode); } if((err = smctr_send_rsp(dev, rmf, rcode, correlator))) { return (err); } break; case RQ_ADDR: if((rcode = smctr_rcv_rq_addr_state_attch(dev, rmf, &correlator)) != POSITIVE_ACK) { if(rcode == HARDWARE_FAILED) return (rcode); else return (smctr_send_rsp(dev, rmf, rcode, correlator)); } if((err = smctr_send_rpt_addr(dev, rmf, correlator))) { return (err); } break; case RQ_ATTCH: if((rcode = smctr_rcv_rq_addr_state_attch(dev, rmf, &correlator)) != POSITIVE_ACK) { if(rcode == HARDWARE_FAILED) return (rcode); else return (smctr_send_rsp(dev, rmf, rcode, correlator)); } if((err = smctr_send_rpt_attch(dev, rmf, correlator))) { return (err); } break; case RQ_STATE: if((rcode = smctr_rcv_rq_addr_state_attch(dev, rmf, &correlator)) != POSITIVE_ACK) { if(rcode == HARDWARE_FAILED) return (rcode); else return (smctr_send_rsp(dev, rmf, rcode, correlator)); } if((err = smctr_send_rpt_state(dev, rmf, correlator))) { return (err); } break; case TX_FORWARD: { __u16 uninitialized_var(tx_fstatus); if((rcode = smctr_rcv_tx_forward(dev, rmf)) != POSITIVE_ACK) { if(rcode == HARDWARE_FAILED) return (rcode); else return (smctr_send_rsp(dev, rmf, rcode, correlator)); } if((err = smctr_send_tx_forward(dev, rmf, &tx_fstatus)) == HARDWARE_FAILED) { return (err); } if(err == A_FRAME_WAS_FORWARDED) { if((err = smctr_send_rpt_tx_forward(dev, rmf, tx_fstatus)) == HARDWARE_FAILED) { return (err); } } break; } /* Received MAC Frames Processed by CRS/REM/RPS. */ case RSP: case RQ_INIT: case RPT_NEW_MON: case RPT_SUA_CHG: case RPT_ACTIVE_ERR: case RPT_NN_INCMP: case RPT_ERROR: case RPT_ATTCH: case RPT_STATE: case RPT_ADDR: break; /* Rcvd Att. MAC Frame (if RXATMAC set) or UNKNOWN */ default: xframe = 0; if(!(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)) { rcode = smctr_rcv_unknown(dev, rmf, &correlator); if((err = smctr_send_rsp(dev, rmf,rcode, correlator))) { return (err); } } break; } } else { /* 1. DA doesn't match (Promiscuous Mode). * 2. Parse for Extended MAC Frame Type. */ switch(rmf->vc) { case RSP: case INIT: case RQ_INIT: case RQ_ADDR: case RQ_ATTCH: case RQ_STATE: case CHG_PARM: case RPT_ADDR: case RPT_ERROR: case RPT_ATTCH: case RPT_STATE: case RPT_NEW_MON: case RPT_SUA_CHG: case RPT_NN_INCMP: case RPT_ACTIVE_ERR: break; default: xframe = 0; break; } } /* NOTE: UNKNOWN MAC frames will NOT be passed up unless * ACCEPT_ATT_MAC_FRAMES is set. */ if(((tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) && (xframe == (__u8)0)) || ((tp->receive_mask & ACCEPT_EXT_MAC_FRAMES) && (xframe == (__u8)1))) { rmf->vl = SWAP_BYTES(rmf->vl); if (!(skb = dev_alloc_skb(size))) return -ENOMEM; skb->len = size; /* Slide data into a sleek skb. */ skb_put(skb, skb->len); skb_copy_to_linear_data(skb, rmf, skb->len); /* Update Counters */ tp->MacStat.rx_packets++; tp->MacStat.rx_bytes += skb->len; /* Kick the packet on up. */ skb->protocol = tr_type_trans(skb, dev); netif_rx(skb); dev->last_rx = jiffies; err = 0; } return (err); } /* Adapter RAM test. Incremental word ODD boundary data test. */ static int smctr_ram_memory_test(struct net_device *dev) { struct net_local *tp = netdev_priv(dev); __u16 page, pages_of_ram, start_pattern = 0, word_pattern = 0, word_read = 0, err_word = 0, err_pattern = 0; unsigned int err_offset; __u32 j, pword; __u8 err = 0; if(smctr_debug > 10) printk(KERN_DEBUG "%s: smctr_ram_memory_test\n", dev->name); start_pattern = 0x0001; pages_of_ram = tp->ram_size / tp->ram_usable; pword = tp->ram_access; /* Incremental word ODD boundary test. */ for(page = 0; (page < pages_of_ram) && (~err); page++, start_pattern += 0x8000) { smctr_set_page(dev, (__u8 *)(tp->ram_access + (page * tp->ram_usable * 1024) + 1)); word_pattern = start_pattern; for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1; j += 2) *(__u16 *)(pword + j) = word_pattern++; word_pattern = start_pattern; for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1 && (~err); j += 2, word_pattern++) { word_read = *(__u16 *)(pword + j); if(word_read != word_pattern) { err = (__u8)1; err_offset = j; err_word = word_read; err_pattern = word_pattern; return (RAM_TEST_FAILED); } } } /* Zero out memory. */ for(page = 0; page < pages_of_ram && (~err); page++) { smctr_set_page(dev, (__u8 *)(tp->ram_access + (page * tp->ram_usable * 1024))); word_pattern = 0; for(j = 0; j < (__u32)tp->ram_usable * 1024; j +=2) *(__u16 *)(pword + j) = word_pattern; for(j =0; j < (__u32)tp->ram_usable * 1024 && (~err); j += 2) { word_read = *(__u16 *)(pword + j); if(word_read != word_pattern) { err = (__u8)1; err_offset = j; err_word = word_read; err_pattern = word_pattern; return (RAM_TEST_FAILED); } } } smctr_set_page(dev, (__u8 *)tp->ram_access); return (0); } static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, __u16 *correlator) { MAC_SUB_VECTOR *rsv; signed short vlen; __u16 rcode = POSITIVE_ACK; unsigned int svectors = F_NO_SUB_VECTORS_FOUND; /* This Frame can only come from a CRS */ if((rmf->dc_sc & SC_MASK) != SC_CRS) return(E_INAPPROPRIATE_SOURCE_CLASS); /* Remove MVID Length from total length. */ vlen = (signed short)rmf->vl - 4; /* Point to First SVID */ rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); /* Search for Appropriate SVID's. */ while((vlen > 0) && (rcode == POSITIVE_ACK)) { switch(rsv->svi) { case CORRELATOR: svectors |= F_CORRELATOR; rcode = smctr_set_corr(dev, rsv, correlator); break; case LOCAL_RING_NUMBER: svectors |= F_LOCAL_RING_NUMBER; rcode = smctr_set_local_ring_num(dev, rsv); break; case ASSIGN_PHYSICAL_DROP: svectors |= F_ASSIGN_PHYSICAL_DROP; rcode = smctr_set_phy_drop(dev, rsv); break; case ERROR_TIMER_VALUE: svectors |= F_ERROR_TIMER_VALUE; rcode = smctr_set_error_timer_value(dev, rsv); break; case AUTHORIZED_FUNCTION_CLASS: svectors |= F_AUTHORIZED_FUNCTION_CLASS; rcode = smctr_set_auth_funct_class(dev, rsv); break; case AUTHORIZED_ACCESS_PRIORITY: svectors |= F_AUTHORIZED_ACCESS_PRIORITY; rcode = smctr_set_auth_access_pri(dev, rsv); break; default: rcode = E_SUB_VECTOR_UNKNOWN; break; } /* Let Sender Know if SUM of SV length's is * larger then length in MVID length field */ if((vlen -= rsv->svl) < 0) rcode = E_VECTOR_LENGTH_ERROR; rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); } if(rcode == POSITIVE_ACK) { /* Let Sender Know if MVID length field * is larger then SUM of SV length's */ if(vlen != 0) rcode = E_VECTOR_LENGTH_ERROR; else { /* Let Sender Know if Expected SVID Missing */ if((svectors & R_CHG_PARM) ^ R_CHG_PARM) rcode = E_MISSING_SUB_VECTOR; } } return (rcode); } static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, __u16 *correlator) { MAC_SUB_VECTOR *rsv; signed short vlen; __u16 rcode = POSITIVE_ACK; unsigned int svectors = F_NO_SUB_VECTORS_FOUND; /* This Frame can only come from a RPS */ if((rmf->dc_sc & SC_MASK) != SC_RPS) return (E_INAPPROPRIATE_SOURCE_CLASS); /* Remove MVID Length from total length. */ vlen = (signed short)rmf->vl - 4; /* Point to First SVID */ rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); /* Search for Appropriate SVID's */ while((vlen > 0) && (rcode == POSITIVE_ACK)) { switch(rsv->svi) { case CORRELATOR: svectors |= F_CORRELATOR; rcode = smctr_set_corr(dev, rsv, correlator); break; case LOCAL_RING_NUMBER: svectors |= F_LOCAL_RING_NUMBER; rcode = smctr_set_local_ring_num(dev, rsv); break; case ASSIGN_PHYSICAL_DROP: svectors |= F_ASSIGN_PHYSICAL_DROP; rcode = smctr_set_phy_drop(dev, rsv); break; case ERROR_TIMER_VALUE: svectors |= F_ERROR_TIMER_VALUE; rcode = smctr_set_error_timer_value(dev, rsv); break; default: rcode = E_SUB_VECTOR_UNKNOWN; break; } /* Let Sender Know if SUM of SV length's is * larger then length in MVID length field */ if((vlen -= rsv->svl) < 0) rcode = E_VECTOR_LENGTH_ERROR; rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); } if(rcode == POSITIVE_ACK) { /* Let Sender Know if MVID length field * is larger then SUM of SV length's */ if(vlen != 0) rcode = E_VECTOR_LENGTH_ERROR; else { /* Let Sender Know if Expected SV Missing */ if((svectors & R_INIT) ^ R_INIT) rcode = E_MISSING_SUB_VECTOR; } } return (rcode); } static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf) { MAC_SUB_VECTOR *rsv; signed short vlen; __u16 rcode = POSITIVE_ACK; unsigned int svectors = F_NO_SUB_VECTORS_FOUND; /* This Frame can only come from a CRS */ if((rmf->dc_sc & SC_MASK) != SC_CRS) return (E_INAPPROPRIATE_SOURCE_CLASS); /* Remove MVID Length from total length */ vlen = (signed short)rmf->vl - 4; /* Point to First SVID */ rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); /* Search for Appropriate SVID's */ while((vlen > 0) && (rcode == POSITIVE_ACK)) { switch(rsv->svi) { case FRAME_FORWARD: svectors |= F_FRAME_FORWARD; rcode = smctr_set_frame_forward(dev, rsv, rmf->dc_sc); break; default: rcode = E_SUB_VECTOR_UNKNOWN; break; } /* Let Sender Know if SUM of SV length's is * larger then length in MVID length field */ if((vlen -= rsv->svl) < 0) rcode = E_VECTOR_LENGTH_ERROR; rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); } if(rcode == POSITIVE_ACK) { /* Let Sender Know if MVID length field * is larger then SUM of SV length's */ if(vlen != 0) rcode = E_VECTOR_LENGTH_ERROR; else { /* Let Sender Know if Expected SV Missing */ if((svectors & R_TX_FORWARD) ^ R_TX_FORWARD) rcode = E_MISSING_SUB_VECTOR; } } return (rcode); } static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, MAC_HEADER *rmf, __u16 *correlator) { MAC_SUB_VECTOR *rsv; signed short vlen; __u16 rcode = POSITIVE_ACK; unsigned int svectors = F_NO_SUB_VECTORS_FOUND; /* Remove MVID Length from total length */ vlen = (signed short)rmf->vl - 4; /* Point to First SVID */ rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); /* Search for Appropriate SVID's */ while((vlen > 0) && (rcode == POSITIVE_ACK)) { switch(rsv->svi) { case CORRELATOR: svectors |= F_CORRELATOR; rcode = smctr_set_corr(dev, rsv, correlator); break; default: rcode = E_SUB_VECTOR_UNKNOWN; break; } /* Let Sender Know if SUM of SV length's is * larger then length in MVID length field */ if((vlen -= rsv->svl) < 0) rcode = E_VECTOR_LENGTH_ERROR; rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); } if(rcode == POSITIVE_ACK) { /* Let Sender Know if MVID length field * is larger then SUM of SV length's */ if(vlen != 0)