| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20230407210730.3046149-2-anthony.l.nguyen@intel.com>
Date: Fri, 7 Apr 2023 14:07:29 -0700
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
edumazet@...gle.com, netdev@...r.kernel.org
Cc: Ahmed Zaki <ahmed.zaki@...el.com>, anthony.l.nguyen@...el.com,
Rafal Romanowski <rafal.romanowski@...el.com>
Subject: [PATCH net v2 1/2] iavf: refactor VLAN filter states
From: Ahmed Zaki <ahmed.zaki@...el.com>
The VLAN filter states are currently being saved as individual bits.
This is error prone as multiple bits might be mistakenly set.
Fix by replacing the bits with a single state enum. Also, add an
"ACTIVE" state for filters that are accepted by the PF.
Signed-off-by: Ahmed Zaki <ahmed.zaki@...el.com>
Tested-by: Rafal Romanowski <rafal.romanowski@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
drivers/net/ethernet/intel/iavf/iavf.h | 15 +++++----
drivers/net/ethernet/intel/iavf/iavf_main.c | 8 ++---
.../net/ethernet/intel/iavf/iavf_virtchnl.c | 31 +++++++++----------
3 files changed, 28 insertions(+), 26 deletions(-)
diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h
index 232bc61d9eee..692d6a642118 100644
--- a/drivers/net/ethernet/intel/iavf/iavf.h
+++ b/drivers/net/ethernet/intel/iavf/iavf.h
@@ -158,15 +158,18 @@ struct iavf_vlan {
u16 tpid;
};
+enum iavf_vlan_state_t {
+ IAVF_VLAN_INVALID,
+ IAVF_VLAN_ADD, /* filter needs to be added */
+ IAVF_VLAN_IS_NEW, /* filter is new, wait for PF answer */
+ IAVF_VLAN_ACTIVE, /* filter is accepted by PF */
+ IAVF_VLAN_REMOVE, /* filter needs to be removed */
+};
+
struct iavf_vlan_filter {
struct list_head list;
struct iavf_vlan vlan;
- struct {
- u8 is_new_vlan:1; /* filter is new, wait for PF answer */
- u8 remove:1; /* filter needs to be removed */
- u8 add:1; /* filter needs to be added */
- u8 padding:5;
- };
+ enum iavf_vlan_state_t state;
};
#define IAVF_MAX_TRAFFIC_CLASS 4
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index 095201e83c9d..fe9798e4b4ac 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -791,7 +791,7 @@ iavf_vlan_filter *iavf_add_vlan(struct iavf_adapter *adapter,
f->vlan = vlan;
list_add_tail(&f->list, &adapter->vlan_filter_list);
- f->add = true;
+ f->state = IAVF_VLAN_ADD;
adapter->aq_required |= IAVF_FLAG_AQ_ADD_VLAN_FILTER;
}
@@ -813,7 +813,7 @@ static void iavf_del_vlan(struct iavf_adapter *adapter, struct iavf_vlan vlan)
f = iavf_find_vlan(adapter, vlan);
if (f) {
- f->remove = true;
+ f->state = IAVF_VLAN_REMOVE;
adapter->aq_required |= IAVF_FLAG_AQ_DEL_VLAN_FILTER;
}
@@ -1296,11 +1296,11 @@ static void iavf_clear_mac_vlan_filters(struct iavf_adapter *adapter)
/* remove all VLAN filters */
list_for_each_entry_safe(vlf, vlftmp, &adapter->vlan_filter_list,
list) {
- if (vlf->add) {
+ if (vlf->state == IAVF_VLAN_ADD) {
list_del(&vlf->list);
kfree(vlf);
} else {
- vlf->remove = true;
+ vlf->state = IAVF_VLAN_REMOVE;
}
}
spin_unlock_bh(&adapter->mac_vlan_list_lock);
diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
index 4e17d006c52d..5047b4c83718 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
@@ -642,7 +642,7 @@ static void iavf_vlan_add_reject(struct iavf_adapter *adapter)
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry_safe(f, ftmp, &adapter->vlan_filter_list, list) {
- if (f->is_new_vlan) {
+ if (f->state == IAVF_VLAN_IS_NEW) {
if (f->vlan.tpid == ETH_P_8021Q)
clear_bit(f->vlan.vid,
adapter->vsi.active_cvlans);
@@ -679,7 +679,7 @@ void iavf_add_vlans(struct iavf_adapter *adapter)
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry(f, &adapter->vlan_filter_list, list) {
- if (f->add)
+ if (f->state == IAVF_VLAN_ADD)
count++;
}
if (!count || !VLAN_FILTERING_ALLOWED(adapter)) {
@@ -710,11 +710,10 @@ void iavf_add_vlans(struct iavf_adapter *adapter)
vvfl->vsi_id = adapter->vsi_res->vsi_id;
vvfl->num_elements = count;
list_for_each_entry(f, &adapter->vlan_filter_list, list) {
- if (f->add) {
+ if (f->state == IAVF_VLAN_ADD) {
vvfl->vlan_id[i] = f->vlan.vid;
i++;
- f->add = false;
- f->is_new_vlan = true;
+ f->state = IAVF_VLAN_IS_NEW;
if (i == count)
break;
}
@@ -760,7 +759,7 @@ void iavf_add_vlans(struct iavf_adapter *adapter)
vvfl_v2->vport_id = adapter->vsi_res->vsi_id;
vvfl_v2->num_elements = count;
list_for_each_entry(f, &adapter->vlan_filter_list, list) {
- if (f->add) {
+ if (f->state == IAVF_VLAN_ADD) {
struct virtchnl_vlan_supported_caps *filtering_support =
&adapter->vlan_v2_caps.filtering.filtering_support;
struct virtchnl_vlan *vlan;
@@ -778,8 +777,7 @@ void iavf_add_vlans(struct iavf_adapter *adapter)
vlan->tpid = f->vlan.tpid;
i++;
- f->add = false;
- f->is_new_vlan = true;
+ f->state = IAVF_VLAN_IS_NEW;
}
}
@@ -822,10 +820,11 @@ void iavf_del_vlans(struct iavf_adapter *adapter)
* filters marked for removal to enable bailing out before
* sending a virtchnl message
*/
- if (f->remove && !VLAN_FILTERING_ALLOWED(adapter)) {
+ if (f->state == IAVF_VLAN_REMOVE &&
+ !VLAN_FILTERING_ALLOWED(adapter)) {
list_del(&f->list);
kfree(f);
- } else if (f->remove) {
+ } else if (f->state == IAVF_VLAN_REMOVE) {
count++;
}
}
@@ -857,7 +856,7 @@ void iavf_del_vlans(struct iavf_adapter *adapter)
vvfl->vsi_id = adapter->vsi_res->vsi_id;
vvfl->num_elements = count;
list_for_each_entry_safe(f, ftmp, &adapter->vlan_filter_list, list) {
- if (f->remove) {
+ if (f->state == IAVF_VLAN_REMOVE) {
vvfl->vlan_id[i] = f->vlan.vid;
i++;
list_del(&f->list);
@@ -901,7 +900,7 @@ void iavf_del_vlans(struct iavf_adapter *adapter)
vvfl_v2->vport_id = adapter->vsi_res->vsi_id;
vvfl_v2->num_elements = count;
list_for_each_entry_safe(f, ftmp, &adapter->vlan_filter_list, list) {
- if (f->remove) {
+ if (f->state == IAVF_VLAN_REMOVE) {
struct virtchnl_vlan_supported_caps *filtering_support =
&adapter->vlan_v2_caps.filtering.filtering_support;
struct virtchnl_vlan *vlan;
@@ -2192,7 +2191,7 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
list_for_each_entry(vlf,
&adapter->vlan_filter_list,
list)
- vlf->add = true;
+ vlf->state = IAVF_VLAN_ADD;
adapter->aq_required |=
IAVF_FLAG_AQ_ADD_VLAN_FILTER;
@@ -2260,7 +2259,7 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
list_for_each_entry(vlf,
&adapter->vlan_filter_list,
list)
- vlf->add = true;
+ vlf->state = IAVF_VLAN_ADD;
aq_required |= IAVF_FLAG_AQ_ADD_VLAN_FILTER;
}
@@ -2444,8 +2443,8 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
spin_lock_bh(&adapter->mac_vlan_list_lock);
list_for_each_entry(f, &adapter->vlan_filter_list, list) {
- if (f->is_new_vlan) {
- f->is_new_vlan = false;
+ if (f->state == IAVF_VLAN_IS_NEW) {
+ f->state = IAVF_VLAN_ACTIVE;
if (f->vlan.tpid == ETH_P_8021Q)
set_bit(f->vlan.vid,
adapter->vsi.active_cvlans);
--
2.38.1
Powered by blists - more mailing lists