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ice(4): Fix set RSS hena virtchnl op handler

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Remove existing RSS HENA configuration to make sure that
only config requested by VF is applied and allow VFs to
disable RSS completely.

Signed-off-by: Krzysztof Galazka <krzysztof.galazka@intel.com>
Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/1573
This commit is contained in:
Krzysztof Galazka 2025-03-12 08:50:46 +01:00 committed by Warner Losh
parent d6958f3fae
commit 69bb592fa3
1 changed files with 25 additions and 8 deletions
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33
sys/dev/ice/ice_iov.c
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@ -1139,17 +1139,34 @@ ice_vc_set_rss_hena_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf)
enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS;
struct ice_vsi *vsi = vf->vsi;
MPASS(vsi != NULL);
vrh = (struct virtchnl_rss_hena *)msg_buf;
status = ice_add_avf_rss_cfg(hw, vsi->idx, vrh->hena);
if (status) {
device_printf(sc->dev,
"ice_add_avf_rss_cfg status %s, error %s\n",
ice_status_str(status),
ice_aq_str(hw->adminq.sq_last_status));
v_status = ice_iov_err_to_virt_err(status);
/*
* Remove existing configuration to make sure only requested
* config is applied and allow VFs to disable RSS completly.
*/
status = ice_rem_vsi_rss_cfg(hw, vsi->idx);
if (vrh->hena) {
/*
* Problem with removing config is not fatal, when new one
* is requested. Warn about it but try to apply new config
* anyway.
*/
if (status)
device_printf(sc->dev,
"ice_rem_vsi_rss_cfg status %s, error %s\n",
ice_status_str(status),
ice_aq_str(hw->adminq.sq_last_status));
status = ice_add_avf_rss_cfg(hw, vsi->idx, vrh->hena);
if (status)
device_printf(sc->dev,
"ice_add_avf_rss_cfg status %s, error %s\n",
ice_status_str(status),
ice_aq_str(hw->adminq.sq_last_status));
}
v_status = ice_iov_err_to_virt_err(status);
ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_SET_RSS_HENA,
v_status, NULL, 0, NULL);
}