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cxgb4: Get TID calculation right for IPv6 mode

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CLIP is always enabled and hardware uses 2 TID entries instead of 4 for
IPv6 in CLIP mode.

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai 2015-12-24 16:15:17 +05:30 committed by David S. Miller
parent 6a29a42bb4
commit a99c683e0c
1 changed files with 4 additions and 4 deletions
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8
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
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@ -1506,7 +1506,7 @@ int cxgb4_alloc_stid(struct tid_info *t, int family, void *data)
else
stid = -1;
} else {
stid = bitmap_find_free_region(t->stid_bmap, t->nstids, 2);
stid = bitmap_find_free_region(t->stid_bmap, t->nstids, 1);
if (stid < 0)
stid = -1;
}
@ -1520,7 +1520,7 @@ int cxgb4_alloc_stid(struct tid_info *t, int family, void *data)
if (family == PF_INET)
t->stids_in_use++;
else
t->stids_in_use += 4;
t->stids_in_use += 2;
}
spin_unlock_bh(&t->stid_lock);
return stid;
@ -1571,13 +1571,13 @@ void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family)
if (family == PF_INET)
__clear_bit(stid, t->stid_bmap);
else
bitmap_release_region(t->stid_bmap, stid, 2);
bitmap_release_region(t->stid_bmap, stid, 1);
t->stid_tab[stid].data = NULL;
if (stid < t->nstids) {
if (family == PF_INET)
t->stids_in_use--;
else
t->stids_in_use -= 4;
t->stids_in_use -= 2;
} else {
t->sftids_in_use--;
}