diff mbox series

[net-next,2/6] cxgb4: Remove unused cxgb4_alloc/free_raw_mac_filt

Message ID 20241013203831.88051-3-linux@treblig.org (mailing list archive)
State Accepted
Commit b4701c6359c8e9ff53a7984a627c22ade8f17874
Delegated to: Netdev Maintainers
Headers show
Series cxgb4: Deadcode removal | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 5 this patch: 5
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 5 of 5 maintainers
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 37 this patch: 37
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 102 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 5 this patch: 5
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-10-14--09-00 (tests: 777)

Commit Message

Dr. David Alan Gilbert Oct. 13, 2024, 8:38 p.m. UTC 
From: "Dr. David Alan Gilbert" <linux@treblig.org>

cxgb4_alloc_raw_mac_filt() and cxgb4_free_raw_mac_filt() have been
unused since they were added in 2019 commit
5fab51581f62 ("cxgb4: Add MPS TCAM refcounting for raw mac filters")

Remove them.

This was also the last use of cxgb4_mps_ref_dec().
Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4.h    | 16 -----
 .../net/ethernet/chelsio/cxgb4/cxgb4_mps.c    | 68 -------------------
 2 files changed, 84 deletions(-)

Comments

Kalesh Anakkur Purayil Oct. 14, 2024, 3:37 a.m. UTC | #1 
On Mon, Oct 14, 2024 at 2:09 AM <linux@treblig.org> wrote:
>
> From: "Dr. David Alan Gilbert" <linux@treblig.org>
>
> cxgb4_alloc_raw_mac_filt() and cxgb4_free_raw_mac_filt() have been
> unused since they were added in 2019 commit
> 5fab51581f62 ("cxgb4: Add MPS TCAM refcounting for raw mac filters")
>
> Remove them.
>
> This was also the last use of cxgb4_mps_ref_dec().
> Remove it.
>
> Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>

Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
diff mbox series

Patch

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 1efb0a73ce0e..1c302dfd6503 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -2141,22 +2141,6 @@  int cxgb4_free_mac_filt(struct adapter *adap, unsigned int viid,
 			unsigned int naddr, const u8 **addr, bool sleep_ok);
 int cxgb4_init_mps_ref_entries(struct adapter *adap);
 void cxgb4_free_mps_ref_entries(struct adapter *adap);
-int cxgb4_free_raw_mac_filt(struct adapter *adap,
-			    unsigned int viid,
-			    const u8 *addr,
-			    const u8 *mask,
-			    unsigned int idx,
-			    u8 lookup_type,
-			    u8 port_id,
-			    bool sleep_ok);
-int cxgb4_alloc_raw_mac_filt(struct adapter *adap,
-			     unsigned int viid,
-			     const u8 *addr,
-			     const u8 *mask,
-			     unsigned int idx,
-			     u8 lookup_type,
-			     u8 port_id,
-			     bool sleep_ok);
 int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid,
 			  int *tcam_idx, const u8 *addr,
 			  bool persistent, u8 *smt_idx);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c
index 0e5663d19fcf..60f4d5b5eb3a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c
@@ -28,28 +28,6 @@  static int cxgb4_mps_ref_dec_by_mac(struct adapter *adap,
 	return ret;
 }
 
-static int cxgb4_mps_ref_dec(struct adapter *adap, u16 idx)
-{
-	struct mps_entries_ref *mps_entry, *tmp;
-	int ret = -EINVAL;
-
-	spin_lock(&adap->mps_ref_lock);
-	list_for_each_entry_safe(mps_entry, tmp, &adap->mps_ref, list) {
-		if (mps_entry->idx == idx) {
-			if (!refcount_dec_and_test(&mps_entry->refcnt)) {
-				spin_unlock(&adap->mps_ref_lock);
-				return -EBUSY;
-			}
-			list_del(&mps_entry->list);
-			kfree(mps_entry);
-			ret = 0;
-			break;
-		}
-	}
-	spin_unlock(&adap->mps_ref_lock);
-	return ret;
-}
-
 static int cxgb4_mps_ref_inc(struct adapter *adap, const u8 *mac_addr,
 			     u16 idx, const u8 *mask)
 {
@@ -141,52 +119,6 @@  int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid,
 	return ret;
 }
 
-int cxgb4_free_raw_mac_filt(struct adapter *adap,
-			    unsigned int viid,
-			    const u8 *addr,
-			    const u8 *mask,
-			    unsigned int idx,
-			    u8 lookup_type,
-			    u8 port_id,
-			    bool sleep_ok)
-{
-	int ret = 0;
-
-	if (!cxgb4_mps_ref_dec(adap, idx))
-		ret = t4_free_raw_mac_filt(adap, viid, addr,
-					   mask, idx, lookup_type,
-					   port_id, sleep_ok);
-
-	return ret;
-}
-
-int cxgb4_alloc_raw_mac_filt(struct adapter *adap,
-			     unsigned int viid,
-			     const u8 *addr,
-			     const u8 *mask,
-			     unsigned int idx,
-			     u8 lookup_type,
-			     u8 port_id,
-			     bool sleep_ok)
-{
-	int ret;
-
-	ret = t4_alloc_raw_mac_filt(adap, viid, addr,
-				    mask, idx, lookup_type,
-				    port_id, sleep_ok);
-	if (ret < 0)
-		return ret;
-
-	if (cxgb4_mps_ref_inc(adap, addr, ret, mask)) {
-		ret = -ENOMEM;
-		t4_free_raw_mac_filt(adap, viid, addr,
-				     mask, idx, lookup_type,
-				     port_id, sleep_ok);
-	}
-
-	return ret;
-}
-
 int cxgb4_init_mps_ref_entries(struct adapter *adap)
 {
 	spin_lock_init(&adap->mps_ref_lock);