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authorEzequiel Garcia <ezequiel.garcia@free-electrons.com>2014-05-19 13:59:52 -0300
committerNitin Garg <nitin.garg@freescale.com>2014-08-27 18:28:56 -0500
commit1260f253adb4b852aca6abeff6ad56dda0b8db97 (patch)
tree741ec4480bfcc8b20d7b7499725b97172242d30b /include
parent81d5b08a9f60117ede7308ccc908a6c39922ea25 (diff)
net: Add a software TSO helper API
Although the implementation probably needs a lot of work, this initial API allows to implement software TSO in mvneta and mv643xx_eth drivers in a not so intrusive way. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Diffstat (limited to 'include')
-rw-r--r--include/net/tso.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/net/tso.h b/include/net/tso.h
new file mode 100644
index 000000000000..47e5444f7d15
--- /dev/null
+++ b/include/net/tso.h
@@ -0,0 +1,20 @@
+#ifndef _TSO_H
+#define _TSO_H
+
+#include <net/ip.h>
+
+struct tso_t {
+ int next_frag_idx;
+ void *data;
+ size_t size;
+ u16 ip_id;
+ u32 tcp_seq;
+};
+
+int tso_count_descs(struct sk_buff *skb);
+void tso_build_hdr(struct sk_buff *skb, char *hdr, struct tso_t *tso,
+ int size, bool is_last);
+void tso_build_data(struct sk_buff *skb, struct tso_t *tso, int size);
+void tso_start(struct sk_buff *skb, struct tso_t *tso);
+
+#endif /* _TSO_H */