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cxgb4: Differentiate between stids between server and filter region 

For T4 adapter, offloaded servers tid for IPv4 connections are
allocated from filter region. So add a new field for server filter tid if
server tid is allocated from filter region.

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai 2015-08-12 16:55:06 +05:30 committed by David S. Miller
parent 9a1bb9f64e
commit 2248b29349
2 changed files with 11 additions and 5 deletions
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15
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View File

@ -1548,7 +1548,7 @@ int cxgb4_alloc_sftid(struct tid_info *t, int family, void *data)
t->stid_tab[stid].data = data;
stid -= t->nstids;
stid += t->sftid_base;
t->stids_in_use++;
t->sftids_in_use++;
}
spin_unlock_bh(&t->stid_lock);
return stid;
@ -1573,10 +1573,14 @@ void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family)
else
bitmap_release_region(t->stid_bmap, stid, 2);
t->stid_tab[stid].data = NULL;
if (family == PF_INET)
t->stids_in_use--;
else
t->stids_in_use -= 4;
if (stid < t->nstids) {
if (family == PF_INET)
t->stids_in_use--;
else
t->stids_in_use -= 4;
} else {
t->sftids_in_use--;
}
spin_unlock_bh(&t->stid_lock);
}
EXPORT_SYMBOL(cxgb4_free_stid);
@ -1707,6 +1711,7 @@ static int tid_init(struct tid_info *t)
spin_lock_init(&t->atid_lock);
t->stids_in_use = 0;
t->sftids_in_use = 0;
t->afree = NULL;
t->atids_in_use = 0;
atomic_set(&t->tids_in_use, 0);

1
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
View File

@ -117,6 +117,7 @@ struct tid_info {
spinlock_t stid_lock;
unsigned int stids_in_use;
unsigned int sftids_in_use;
/* TIDs in the TCAM */
atomic_t tids_in_use;