xiaomi-sm8450/android_kernel_xiaomi_sm8450
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net: added support for 40GbE link.

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1. removed code replication for tov calculation for 1G, 10G and
made is common for speed > 1G (1G, 10G, 40G, 100G).
2. defines values for #4 different 40G Phys (KR4, LF4, SR4, CR4)

Signed-off-by: Parav Pandit <parav.pandit@emulex.com>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parav.pandit@emulex.com
2012-06-27 03:56:12 +00:00
committed by David S. Miller
parent 22911fc581
commit e440cf2ca0
2 changed files with 14 additions and 12 deletions
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18
net/packet/af_packet.c
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@@ -531,6 +531,7 @@ static int prb_calc_retire_blk_tmo(struct packet_sock *po,
unsigned int mbits = 0, msec = 0, div = 0, tmo = 0;
struct ethtool_cmd ecmd;
int err;
u32 speed;
rtnl_lock();
dev = __dev_get_by_index(sock_net(&po->sk), po->ifindex);
@@ -539,25 +540,18 @@ static int prb_calc_retire_blk_tmo(struct packet_sock *po,
return DEFAULT_PRB_RETIRE_TOV;
}
err = __ethtool_get_settings(dev, &ecmd);
speed = ethtool_cmd_speed(&ecmd);
rtnl_unlock();
if (!err) {
switch (ecmd.speed) {
case SPEED_10000:
msec = 1;
div = 10000/1000;
break;
case SPEED_1000:
msec = 1;
div = 1000/1000;
break;
/*
* If the link speed is so slow you don't really
* need to worry about perf anyways
*/
case SPEED_100:
case SPEED_10:
default:
if (speed < SPEED_1000 || speed == SPEED_UNKNOWN) {
return DEFAULT_PRB_RETIRE_TOV;
} else {
msec = 1;
div = speed / 1000;
}
}