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cxgbe(4): Tunnel congestion drops on a port should be cleared when the

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stats for that port are cleared.

MFC after:	1 week
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2018-03-22 02:04:57 +00:00
parent 7976b9c5e0
commit 5401e09688
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=331340
1 changed files with 10 additions and 1 deletions
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11
sys/dev/cxgbe/t4_main.c
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@ -9650,7 +9650,7 @@ t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data, int fflag,
rc = read_i2c(sc, (struct t4_i2c_data *)data);
break;
case CHELSIO_T4_CLEAR_STATS: {
int i, v;
int i, v, bg_map;
u_int port_id = *(uint32_t *)data;
struct port_info *pi;
struct vi_info *vi;
@ -9664,11 +9664,20 @@ t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data, int fflag,
/* MAC stats */
t4_clr_port_stats(sc, pi->tx_chan);
pi->tx_parse_error = 0;
pi->tnl_cong_drops = 0;
mtx_lock(&sc->reg_lock);
for_each_vi(pi, v, vi) {
if (vi->flags & VI_INIT_DONE)
t4_clr_vi_stats(sc, vi->viid);
}
bg_map = pi->mps_bg_map;
v = 0; /* reuse */
while (bg_map) {
i = ffs(bg_map) - 1;
t4_write_indirect(sc, A_TP_MIB_INDEX, A_TP_MIB_DATA, &v,
1, A_TP_MIB_TNL_CNG_DROP_0 + i);
bg_map &= ~(1 << i);
}
mtx_unlock(&sc->reg_lock);
/*