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>
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index df6cba1..f35dd22 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -1548,7 +1548,7 @@
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 @@
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 @@
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);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index f61fed1..c3a8be5 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -117,6 +117,7 @@
spinlock_t stid_lock;
unsigned int stids_in_use;
+ unsigned int sftids_in_use;
/* TIDs in the TCAM */
atomic_t tids_in_use;