On Apr 19, 2023, at 12:24 AM, Ye, MingjinX <mingjinx.ye@intel.com> wrote:

VRRP advertisement packets are dropped on i40e PF device because
when a MAC address is added to a device, packets originating from
that MAC address are dropped.
This patch fixes the bug by disabling source pruning by default,
and adds a PMD specific API to enable/disable source pruning.

Bugzilla ID: 648

Signed-off-by: Mingjin Ye <mingjinx.ye@intel.com>
---
v3: The i40e specific commands are moved to
drivers/net/i40e/i40e_testpmd.c.
--
v4: Modify the commit log.
---
drivers/net/i40e/i40e_ethdev.c  | 43 ++++++++++++++++
drivers/net/i40e/i40e_ethdev.h  |  1 +
drivers/net/i40e/i40e_testpmd.c | 88 +++++++++++++++++++++++++++++++++
drivers/net/i40e/rte_pmd_i40e.c | 20 ++++++++
drivers/net/i40e/rte_pmd_i40e.h | 17 +++++++
drivers/net/i40e/version.map    |  1 +
6 files changed, 170 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index cb0070f94b..90d8e5a8bc 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -5647,6 +5647,46 @@ i40e_enable_pf_lb(struct i40e_pf *pf)
                           hw->aq.asq_last_status);
}

+/* i40e_pf_set_source_prune
+ * @pf: pointer to the pf structure
+ * @on: Enable/disable source prune
+ *
+ * set source prune on pf
+ */
+int
+i40e_pf_set_source_prune(struct i40e_pf *pf, int on)
+{
+       struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+       struct i40e_vsi_context ctxt;
+       int ret;
+
+       memset(&ctxt, 0, sizeof(ctxt));
+       ctxt.seid = pf->main_vsi_seid;
+       ctxt.pf_num = hw->pf_id;
+       ret = i40e_aq_get_vsi_params(hw, &ctxt, NULL);
+       if (ret) {
+               PMD_DRV_LOG(ERR, "cannot get pf vsi config, err %d, aq_err %d",
+                           ret, hw->aq.asq_last_status);
+               return ret;
+       }
+       ctxt.flags = I40E_AQ_VSI_TYPE_PF;
+       ctxt.info.valid_sections =
+               rte_cpu_to_le_16(I40E_AQ_VSI_PROP_SWITCH_VALID);
+       if (on)
+               ctxt.info.switch_id &=
+                       ~rte_cpu_to_le_16(I40E_AQ_VSI_SW_ID_FLAG_LOCAL_LB);
+       else
+               ctxt.info.switch_id |=
+                       rte_cpu_to_le_16(I40E_AQ_VSI_SW_ID_FLAG_LOCAL_LB);
+
+       ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
+       if (ret)
+               PMD_DRV_LOG(ERR, "update vsi switch failed, aq_err=%d",
+                           hw->aq.asq_last_status);
+
+       return ret;
+}
+
/* Setup a VSI */
struct i40e_vsi *
i40e_vsi_setup(struct i40e_pf *pf,
@@ -5704,6 +5744,9 @@ i40e_vsi_setup(struct i40e_pf *pf,
               }
       }

+       /* source prune is disabled to support VRRP in default*/
+       i40e_pf_set_source_prune(pf, 0);
+
       vsi = rte_zmalloc("i40e_vsi", sizeof(struct i40e_vsi), 0);
       if (!vsi) {
               PMD_DRV_LOG(ERR, "Failed to allocate memory for vsi");
diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 9b806d130e..6f65d5e0ac 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -1430,6 +1430,7 @@ int i40e_pf_calc_configured_queues_num(struct i40e_pf *pf);
int i40e_pf_reset_rss_reta(struct i40e_pf *pf);
int i40e_pf_reset_rss_key(struct i40e_pf *pf);
int i40e_pf_config_rss(struct i40e_pf *pf);
+int i40e_pf_set_source_prune(struct i40e_pf *pf, int on);
int i40e_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t key_len);
int i40e_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size);
int i40e_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params);
diff --git a/drivers/net/i40e/i40e_testpmd.c b/drivers/net/i40e/i40e_testpmd.c
index 7be9fea5b0..b6ef5d6e42 100644
--- a/drivers/net/i40e/i40e_testpmd.c
+++ b/drivers/net/i40e/i40e_testpmd.c
@@ -2446,6 +2446,84 @@ static cmdline_parse_inst_t cmd_ptype_mapping_update = {
       },
};

+/* *** configure source prune for port *** */
+struct cmd_config_src_prune_result {
+       cmdline_fixed_string_t port;
+       cmdline_fixed_string_t keyword;
+       cmdline_fixed_string_t port_all; /* valid if "allports" argument == 1 */
+       uint16_t port_id;                /* valid if "allports" argument == 0 */
+       cmdline_fixed_string_t item;
+       cmdline_fixed_string_t enable;
+};
+
+static void cmd_config_pf_src_prune_parsed(void *parsed_result,
+                                       __rte_unused struct cmdline *cl,
+                                       void *allports)
+{
+       struct cmd_config_src_prune_result *res = parsed_result;
+       uint8_t enable;
+       uint16_t i;
+
+       if (!strcmp(res->enable, "on"))
+               enable = 1;
+       else
+               enable = 0;
+
+       /* all ports */
+       if (allports) {
+               RTE_ETH_FOREACH_DEV(i)
+                       rte_pmd_i40e_set_pf_src_prune(i, enable);
+       } else {
+               rte_pmd_i40e_set_pf_src_prune(res->port_id, enable);
+       }
+}
+
+static cmdline_parse_token_string_t cmd_config_src_prune_port =
+       TOKEN_STRING_INITIALIZER(struct cmd_config_src_prune_result, port, "port");
+static cmdline_parse_token_string_t cmd_config_src_prune_keyword =
+       TOKEN_STRING_INITIALIZER(struct cmd_config_src_prune_result, keyword,
+                                "config");
+static cmdline_parse_token_string_t cmd_config_src_prune_portall =
+       TOKEN_STRING_INITIALIZER(struct cmd_config_src_prune_result, port_all,
+                                "all");
+static cmdline_parse_token_num_t cmd_config_src_prune_port_id =
+       TOKEN_NUM_INITIALIZER(struct cmd_config_src_prune_result, port_id,
+                             RTE_UINT16);
+static cmdline_parse_token_string_t cmd_config_src_prune_item =
+       TOKEN_STRING_INITIALIZER(struct cmd_config_src_prune_result,
+                       item, "i40e_src_prune");
+static cmdline_parse_token_string_t cmd_config_src_prune_enable =
+       TOKEN_STRING_INITIALIZER(struct cmd_config_src_prune_result, enable,
+                                "on#off");
+
+static cmdline_parse_inst_t cmd_config_src_prune_all = {
+       .f = cmd_config_pf_src_prune_parsed,
+       .data = (void *)1,
+       .help_str = "port config all i40e_src_prune on|off: Set source pruning on all pf ports.",
+       .tokens = {
+               (void *)&cmd_config_src_prune_port,
+               (void *)&cmd_config_src_prune_keyword,
+               (void *)&cmd_config_src_prune_portall,
+               (void *)&cmd_config_src_prune_item,
+               (void *)&cmd_config_src_prune_enable,
+               NULL,
+       },
+};
+
+static cmdline_parse_inst_t cmd_config_src_prune_specific = {
+       .f = cmd_config_pf_src_prune_parsed,
+       .data = (void *)0,
+       .help_str = "port config <port_id> i40e_src_prune on|off: Set source pruning on specific pf port.",
+       .tokens = {
+               (void *)&cmd_config_src_prune_port,
+               (void *)&cmd_config_src_prune_keyword,
+               (void *)&cmd_config_src_prune_port_id,
+               (void *)&cmd_config_src_prune_item,
+               (void *)&cmd_config_src_prune_enable,
+               NULL,
+       },
+};
+
static struct testpmd_driver_commands i40e_cmds = {
       .commands = {
       {
@@ -2592,6 +2670,16 @@ static struct testpmd_driver_commands i40e_cmds = {
               " (pctype_id_0[,pctype_id_1]*) (flow_type_id)\n"
               "    Update a flow type to pctype mapping item on a port\n",
       },
+       {
+               &cmd_config_src_prune_all,
+               "port config all i40e_src_prune (on|off)\n"
+               "    Set source pruning on pf port all.\n"
+       },
+       {
+               &cmd_config_src_prune_specific,
+               "port config (port_id) i40e_src_prune (on|off)\n"
+               "    Set source pruning on pf port_id.\n"
+       },
       { NULL, NULL },
       },
};
diff --git a/drivers/net/i40e/rte_pmd_i40e.c b/drivers/net/i40e/rte_pmd_i40e.c
index 35829a1eea..9d39984ea1 100644
--- a/drivers/net/i40e/rte_pmd_i40e.c
+++ b/drivers/net/i40e/rte_pmd_i40e.c
@@ -3282,3 +3282,23 @@ rte_pmd_i40e_set_switch_dev(uint16_t port_id, struct rte_eth_dev *switch_dev)

       return 0;
}
+
+int
+rte_pmd_i40e_set_pf_src_prune(uint16_t port, uint8_t on)
+{
+       struct rte_eth_dev *dev;
+       struct i40e_pf *pf;
+       int ret;
+
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+       dev = &rte_eth_devices[port];
+
+       if (!is_i40e_supported(dev))
+               return -ENOTSUP;
+
+       pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+
+       ret = i40e_pf_set_source_prune(pf, on);
+       return ret;
+}
diff --git a/drivers/net/i40e/rte_pmd_i40e.h b/drivers/net/i40e/rte_pmd_i40e.h
index 4cb21c3713..a802f989e9 100644
--- a/drivers/net/i40e/rte_pmd_i40e.h
+++ b/drivers/net/i40e/rte_pmd_i40e.h
@@ -1134,6 +1134,23 @@ __rte_experimental
int
rte_pmd_i40e_set_switch_dev(uint16_t port_id, struct rte_eth_dev *switch_dev);

+/**
+ * Enable/Disable source prune on all the PF.
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param on
+ *    1 - Enable source prune.
+ *    0 - Disable source prune.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+__rte_experimental
+int rte_pmd_i40e_set_pf_src_prune(uint16_t port,
+                                uint8_t on);
+
#ifdef __cplusplus
}
#endif
diff --git a/drivers/net/i40e/version.map b/drivers/net/i40e/version.map
index 561db50eac..51e1ac4f06 100644
--- a/drivers/net/i40e/version.map
+++ b/drivers/net/i40e/version.map
@@ -46,4 +46,5 @@ EXPERIMENTAL {
       rte_pmd_i40e_get_fdir_stats;
       rte_pmd_i40e_set_gre_key_len;
       rte_pmd_i40e_set_switch_dev;
+       rte_pmd_i40e_set_pf_src_prune;
};

2.25.1


The patch appears to correct the issue reported in bug 648.

Tested-by: Matthew Smith <mgsmith@netgate.com>