net/ice/base: add mask check to find switch recipe
authorWei Zhao <wei.zhao1@intel.com>
Fri, 10 Apr 2020 00:41:56 +0000 (08:41 +0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Tue, 21 Apr 2020 11:57:08 +0000 (13:57 +0200)
In order to find accurate recipe for switch filter, we
need to add mask as an element when searching for recipe.
If we create different rules with the same input set, but
using different masks, then proper recipes should use
those different mask.

Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
Tested-by: Nannan Lu <nannan.lu@intel.com>
drivers/net/ice/base/ice_switch.c

index 7e7d748..373f4b3 100644 (file)
@@ -5012,6 +5012,8 @@ static u16 ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts)
                if (lkup_exts->n_val_words == recp[i].lkup_exts.n_val_words) {
                        struct ice_fv_word *a = lkup_exts->fv_words;
                        struct ice_fv_word *b = recp[i].lkup_exts.fv_words;
+                       u16 *c = recp[i].lkup_exts.field_mask;
+                       u16 *d = lkup_exts->field_mask;
                        bool found = true;
                        u8 p, q;
 
@@ -5019,7 +5021,8 @@ static u16 ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts)
                                for (q = 0; q < recp[i].lkup_exts.n_val_words;
                                     q++) {
                                        if (a[p].off == b[q].off &&
-                                           a[p].prot_id == b[q].prot_id)
+                                           a[p].prot_id == b[q].prot_id &&
+                                           d[p] == c[q])
                                                /* Found the "p"th word in the
                                                 * given recipe
                                                 */