From 2248b29349fa8c59e8bf7e13197f7d5303c0a86a Mon Sep 17 00:00:00 2001 From: Hariprasad Shenai Date: Wed, 12 Aug 2015 16:55:06 +0530 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 15 ++++++++++----- drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h | 1 + 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index df6cba1a6546..f35dd2284d40 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -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); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h index f61fed12eeae..c3a8be5541e7 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h @@ -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; -- GitLab