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net/ice: redirect switch rule to new VSI

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After VF reset, VF's VSI number may be changed,
the switch rule which forwards packet to the old
VSI number should be redirected to the new VSI
number.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Beilei Xing 2020-04-03 12:46:09 +08:00 committed by Ferruh Yigit
parent 397b4b3c50
commit c8183dd8e0
1 changed files with 19 additions and 3 deletions
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22
drivers/net/ice/ice_dcf_parent.c
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@ -19,6 +19,8 @@ ice_dcf_update_vsi_ctx(struct ice_hw *hw, uint16_t vsi_handle,
uint16_t vsi_map)
{
struct ice_vsi_ctx *vsi_ctx;
bool first_update = false;
uint16_t new_vsi_num;
if (unlikely(vsi_handle >= ICE_MAX_VSI)) {
PMD_DRV_LOG(ERR, "Invalid vsi handle %u", vsi_handle);
@ -35,11 +37,25 @@ ice_dcf_update_vsi_ctx(struct ice_hw *hw, uint16_t vsi_handle,
vsi_handle);
return;
}
hw->vsi_ctx[vsi_handle] = vsi_ctx;
first_update = true;
}
vsi_ctx->vsi_num = (vsi_map & VIRTCHNL_DCF_VF_VSI_ID_M) >>
VIRTCHNL_DCF_VF_VSI_ID_S;
hw->vsi_ctx[vsi_handle] = vsi_ctx;
new_vsi_num = (vsi_map & VIRTCHNL_DCF_VF_VSI_ID_M) >>
VIRTCHNL_DCF_VF_VSI_ID_S;
/* Redirect rules if vsi mapping table changes. */
if (!first_update && vsi_ctx->vsi_num != new_vsi_num) {
struct ice_flow_redirect rd;
memset(&rd, 0, sizeof(struct ice_flow_redirect));
rd.type = ICE_FLOW_REDIRECT_VSI;
rd.vsi_handle = vsi_handle;
rd.new_vsi_num = new_vsi_num;
ice_flow_redirect((struct ice_adapter *)hw->back, &rd);
} else {
vsi_ctx->vsi_num = new_vsi_num;
}
PMD_DRV_LOG(DEBUG, "VF%u is assigned with vsi number %u",
vsi_handle, vsi_ctx->vsi_num);