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etf: Add skip_sock_check

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Currently, etf expects a socket with SO_TXTIME option set for each packet
it encounters. So, it will drop all other packets. But, in the future
commits we are planning to add functionality where tstamp value will be set
by another qdisc. Also, some packets which are generated from within the
kernel (e.g. ICMP packets) do not have any socket associated with them.

So, this commit adds support for skip_sock_check. When this option is set,
etf will skip checking for a socket and other associated options for all
skbs.

Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vedang Patel 2019-06-25 15:07:14 -07:00 • committed by David S. Miller
parent 9903c8dc73
commit d14d2b2068
2 changed files with 11 additions and 0 deletions
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1
include/uapi/linux/pkt_sched.h
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@ -990,6 +990,7 @@ struct tc_etf_qopt {
__u32 flags;
#define TC_ETF_DEADLINE_MODE_ON _BITUL(0)
#define TC_ETF_OFFLOAD_ON _BITUL(1)
#define TC_ETF_SKIP_SOCK_CHECK _BITUL(2)
};
enum {