diff options
author | Frank Blaschka <frank.blaschka@de.ibm.com> | 2008-02-15 03:19:43 -0500 |
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committer | Jeff Garzik <jeff@garzik.org> | 2008-03-17 07:49:26 -0400 |
commit | 19a3da6c6e1e74ecac129a079139aaebb63fe6c8 (patch) | |
tree | 69c52c4a489f128ea056ee6a8860d3f431292dea /drivers/s390/net/qeth_tso.h | |
parent | 4a71df50047f0db65ea09b1be155852e81a45eba (diff) |
qeth: remove old qeth files
Remove all obsolete qeth files.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/s390/net/qeth_tso.h')
-rw-r--r-- | drivers/s390/net/qeth_tso.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/drivers/s390/net/qeth_tso.h b/drivers/s390/net/qeth_tso.h deleted file mode 100644 index c20e923cf9ad..000000000000 --- a/drivers/s390/net/qeth_tso.h +++ /dev/null | |||
@@ -1,148 +0,0 @@ | |||
1 | /* | ||
2 | * linux/drivers/s390/net/qeth_tso.h | ||
3 | * | ||
4 | * Header file for qeth TCP Segmentation Offload support. | ||
5 | * | ||
6 | * Copyright 2004 IBM Corporation | ||
7 | * | ||
8 | * Author(s): Frank Pavlic <fpavlic@de.ibm.com> | ||
9 | * | ||
10 | */ | ||
11 | #ifndef __QETH_TSO_H__ | ||
12 | #define __QETH_TSO_H__ | ||
13 | |||
14 | #include <linux/skbuff.h> | ||
15 | #include <linux/tcp.h> | ||
16 | #include <linux/ip.h> | ||
17 | #include <linux/ipv6.h> | ||
18 | #include <net/ip6_checksum.h> | ||
19 | #include "qeth.h" | ||
20 | #include "qeth_mpc.h" | ||
21 | |||
22 | |||
23 | static inline struct qeth_hdr_tso * | ||
24 | qeth_tso_prepare_skb(struct qeth_card *card, struct sk_buff **skb) | ||
25 | { | ||
26 | QETH_DBF_TEXT(trace, 5, "tsoprsk"); | ||
27 | return qeth_push_skb(card, *skb, sizeof(struct qeth_hdr_tso)); | ||
28 | } | ||
29 | |||
30 | /** | ||
31 | * fill header for a TSO packet | ||
32 | */ | ||
33 | static inline void | ||
34 | qeth_tso_fill_header(struct qeth_card *card, struct sk_buff *skb) | ||
35 | { | ||
36 | struct qeth_hdr_tso *hdr; | ||
37 | struct tcphdr *tcph; | ||
38 | struct iphdr *iph; | ||
39 | |||
40 | QETH_DBF_TEXT(trace, 5, "tsofhdr"); | ||
41 | |||
42 | hdr = (struct qeth_hdr_tso *) skb->data; | ||
43 | iph = ip_hdr(skb); | ||
44 | tcph = tcp_hdr(skb); | ||
45 | /*fix header to TSO values ...*/ | ||
46 | hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; | ||
47 | /*set values which are fix for the first approach ...*/ | ||
48 | hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); | ||
49 | hdr->ext.imb_hdr_no = 1; | ||
50 | hdr->ext.hdr_type = 1; | ||
51 | hdr->ext.hdr_version = 1; | ||
52 | hdr->ext.hdr_len = 28; | ||
53 | /*insert non-fix values */ | ||
54 | hdr->ext.mss = skb_shinfo(skb)->gso_size; | ||
55 | hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); | ||
56 | hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - | ||
57 | sizeof(struct qeth_hdr_tso)); | ||
58 | } | ||
59 | |||
60 | /** | ||
61 | * change some header values as requested by hardware | ||
62 | */ | ||
63 | static inline void | ||
64 | qeth_tso_set_tcpip_header(struct qeth_card *card, struct sk_buff *skb) | ||
65 | { | ||
66 | struct iphdr *iph = ip_hdr(skb); | ||
67 | struct ipv6hdr *ip6h = ipv6_hdr(skb); | ||
68 | struct tcphdr *tcph = tcp_hdr(skb); | ||
69 | |||
70 | tcph->check = 0; | ||
71 | if (skb->protocol == ETH_P_IPV6) { | ||
72 | ip6h->payload_len = 0; | ||
73 | tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, | ||
74 | 0, IPPROTO_TCP, 0); | ||
75 | return; | ||
76 | } | ||
77 | /*OSA want us to set these values ...*/ | ||
78 | tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, | ||
79 | 0, IPPROTO_TCP, 0); | ||
80 | iph->tot_len = 0; | ||
81 | iph->check = 0; | ||
82 | } | ||
83 | |||
84 | static inline int | ||
85 | qeth_tso_prepare_packet(struct qeth_card *card, struct sk_buff *skb, | ||
86 | int ipv, int cast_type) | ||
87 | { | ||
88 | struct qeth_hdr_tso *hdr; | ||
89 | |||
90 | QETH_DBF_TEXT(trace, 5, "tsoprep"); | ||
91 | |||
92 | hdr = (struct qeth_hdr_tso *) qeth_tso_prepare_skb(card, &skb); | ||
93 | if (hdr == NULL) { | ||
94 | QETH_DBF_TEXT(trace, 4, "tsoperr"); | ||
95 | return -ENOMEM; | ||
96 | } | ||
97 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); | ||
98 | /*fill first 32 bytes of qdio header as used | ||
99 | *FIXME: TSO has two struct members | ||
100 | * with different names but same size | ||
101 | * */ | ||
102 | qeth_fill_header(card, &hdr->hdr, skb, ipv, cast_type); | ||
103 | qeth_tso_fill_header(card, skb); | ||
104 | qeth_tso_set_tcpip_header(card, skb); | ||
105 | return 0; | ||
106 | } | ||
107 | |||
108 | static inline void | ||
109 | __qeth_fill_buffer_frag(struct sk_buff *skb, struct qdio_buffer *buffer, | ||
110 | int is_tso, int *next_element_to_fill) | ||
111 | { | ||
112 | struct skb_frag_struct *frag; | ||
113 | int fragno; | ||
114 | unsigned long addr; | ||
115 | int element, cnt, dlen; | ||
116 | |||
117 | fragno = skb_shinfo(skb)->nr_frags; | ||
118 | element = *next_element_to_fill; | ||
119 | dlen = 0; | ||
120 | |||
121 | if (is_tso) | ||
122 | buffer->element[element].flags = | ||
123 | SBAL_FLAGS_MIDDLE_FRAG; | ||
124 | else | ||
125 | buffer->element[element].flags = | ||
126 | SBAL_FLAGS_FIRST_FRAG; | ||
127 | if ( (dlen = (skb->len - skb->data_len)) ) { | ||
128 | buffer->element[element].addr = skb->data; | ||
129 | buffer->element[element].length = dlen; | ||
130 | element++; | ||
131 | } | ||
132 | for (cnt = 0; cnt < fragno; cnt++) { | ||
133 | frag = &skb_shinfo(skb)->frags[cnt]; | ||
134 | addr = (page_to_pfn(frag->page) << PAGE_SHIFT) + | ||
135 | frag->page_offset; | ||
136 | buffer->element[element].addr = (char *)addr; | ||
137 | buffer->element[element].length = frag->size; | ||
138 | if (cnt < (fragno - 1)) | ||
139 | buffer->element[element].flags = | ||
140 | SBAL_FLAGS_MIDDLE_FRAG; | ||
141 | else | ||
142 | buffer->element[element].flags = | ||
143 | SBAL_FLAGS_LAST_FRAG; | ||
144 | element++; | ||
145 | } | ||
146 | *next_element_to_fill = element; | ||
147 | } | ||
148 | #endif /* __QETH_TSO_H__ */ | ||