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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2010-06-18 14:33:17 -0400
committerReinette Chatre <reinette.chatre@intel.com>2010-06-25 17:34:45 -0400
commit062bee448bd539580ef9f64efe50fdfe04eeb103 (patch)
tree76dd74bee15aa4803bb031076c12147e31bcdb14 /include/linux/inotify.h
parentd1e89f37de2845db364ef6d67586cd882f86b557 (diff)
iwlwifi: set TX_CMD_FLAG_PROT_REQUIRE_MSK in tx_flag
When building tx command, always set TX_CMD_FLAG_PROT_REQUIRE_MSK for 5000 series and up. Without setting this bit the firmware will not examine the RTS/CTS setting and thus not send traffic with the appropriate protection. RTS/CTS is is required for HT traffic in a noisy environment where, without this setting, connections will stall on some hardware as documented in the patch that initially attempted to address this: commit 1152dcc28c66a74b5b3f1a3ede0aa6729bfd48e4 Author: Wey-Yi Guy <wey-yi.w.guy@intel.com> Date: Fri Jan 15 13:42:58 2010 -0800 iwlwifi: Fix throughput stall issue in HT mode for 5000 Similar to 6000 and 1000 series, RTS/CTS is the recommended protection mechanism for 5000 series in HT mode based on the HW design. Using RTS/CTS will better protect the inner exchange from interference, especially in highly-congested environment, it also prevent uCode encounter TX FIFO underrun and other HT mode related performance issues. For 3945 and 4965, different flags are used for RTS/CTS or CTS-to-Self protection. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Diffstat (limited to 'include/linux/inotify.h')
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