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Diffstat (limited to 'src/plugins/avf/flow.c')
-rw-r--r--src/plugins/avf/flow.c286
1 files changed, 261 insertions, 25 deletions
diff --git a/src/plugins/avf/flow.c b/src/plugins/avf/flow.c
index e0d21cd96a2..37cac004f6d 100644
--- a/src/plugins/avf/flow.c
+++ b/src/plugins/avf/flow.c
@@ -44,6 +44,8 @@
(f->type == VNET_FLOW_TYPE_IP6_N_TUPLE_TAGGED) || \
(f->type == VNET_FLOW_TYPE_IP6_VXLAN))
+#define FLOW_IS_GENERIC_CLASS(f) (f->type == VNET_FLOW_TYPE_GENERIC)
+
/* check if flow is L3 type */
#define FLOW_IS_L3_TYPE(f) \
((f->type == VNET_FLOW_TYPE_IP4) || (f->type == VNET_FLOW_TYPE_IP6))
@@ -63,7 +65,7 @@
(f->type == VNET_FLOW_TYPE_IP4_GTPU))
int
-avf_fdir_vc_op_callback (void *vc_hdl, enum virthnl_adv_ops vc_op, void *in,
+avf_flow_vc_op_callback (void *vc_hdl, enum virthnl_adv_ops vc_op, void *in,
u32 in_len, void *out, u32 out_len)
{
u32 dev_instance = *(u32 *) vc_hdl;
@@ -79,9 +81,11 @@ avf_fdir_vc_op_callback (void *vc_hdl, enum virthnl_adv_ops vc_op, void *in,
switch (vc_op)
{
case VIRTCHNL_ADV_OP_ADD_FDIR_FILTER:
+ case VIRTCHNL_ADV_OP_ADD_RSS_CFG:
is_add = 1;
break;
case VIRTCHNL_ADV_OP_DEL_FDIR_FILTER:
+ case VIRTCHNL_ADV_OP_DEL_RSS_CFG:
is_add = 0;
break;
default:
@@ -90,18 +94,114 @@ avf_fdir_vc_op_callback (void *vc_hdl, enum virthnl_adv_ops vc_op, void *in,
return -1;
}
- err = avf_program_flow (dev_instance, is_add, in, in_len, out, out_len);
+ err =
+ avf_program_flow (dev_instance, is_add, vc_op, in, in_len, out, out_len);
if (err != 0)
{
- avf_log_err (ad, "avf fdir program failed: %U", format_clib_error, err);
+ avf_log_err (ad, "avf flow program failed: %U", format_clib_error, err);
clib_error_free (err);
return -1;
}
- avf_log_debug (ad, "avf fdir program success");
+ avf_log_debug (ad, "avf flow program success");
return 0;
}
+static inline enum avf_eth_hash_function
+avf_flow_convert_rss_func (vnet_rss_function_t func)
+{
+ enum avf_eth_hash_function rss_func;
+
+ switch (func)
+ {
+ case VNET_RSS_FUNC_DEFAULT:
+ rss_func = AVF_ETH_HASH_FUNCTION_DEFAULT;
+ break;
+ case VNET_RSS_FUNC_TOEPLITZ:
+ rss_func = AVF_ETH_HASH_FUNCTION_TOEPLITZ;
+ break;
+ case VNET_RSS_FUNC_SIMPLE_XOR:
+ rss_func = AVF_ETH_HASH_FUNCTION_SIMPLE_XOR;
+ break;
+ case VNET_RSS_FUNC_SYMMETRIC_TOEPLITZ:
+ rss_func = AVF_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
+ break;
+ default:
+ rss_func = AVF_ETH_HASH_FUNCTION_MAX;
+ break;
+ }
+
+ return rss_func;
+}
+
+/** Maximum number of queue indices in struct avf_flow_action_rss. */
+#define ACTION_RSS_QUEUE_NUM 128
+
+static inline void
+avf_flow_convert_rss_queues (u32 queue_index, u32 queue_num,
+ struct avf_flow_action_rss *act_rss)
+{
+ u16 *queues = clib_mem_alloc (sizeof (*queues) * ACTION_RSS_QUEUE_NUM);
+ int i;
+
+ for (i = 0; i < queue_num; i++)
+ queues[i] = queue_index++;
+
+ act_rss->queue_num = queue_num;
+ act_rss->queue = queues;
+
+ return;
+}
+
+void
+avf_parse_generic_pattern (struct avf_flow_item *item, u8 *pkt_buf,
+ u8 *msk_buf, u16 spec_len)
+{
+ u8 *raw_spec, *raw_mask;
+ u8 tmp_val = 0;
+ u8 tmp_c = 0;
+ int i, j;
+
+ raw_spec = (u8 *) item->spec;
+ raw_mask = (u8 *) item->mask;
+
+ /* convert string to int array */
+ for (i = 0, j = 0; i < spec_len; i += 2, j++)
+ {
+ tmp_c = raw_spec[i];
+ if (tmp_c >= 'a' && tmp_c <= 'f')
+ tmp_val = tmp_c - 'a' + 10;
+ if (tmp_c >= 'A' && tmp_c <= 'F')
+ tmp_val = tmp_c - 'A' + 10;
+ if (tmp_c >= '0' && tmp_c <= '9')
+ tmp_val = tmp_c - '0';
+
+ tmp_c = raw_spec[i + 1];
+ if (tmp_c >= 'a' && tmp_c <= 'f')
+ pkt_buf[j] = tmp_val * 16 + tmp_c - 'a' + 10;
+ if (tmp_c >= 'A' && tmp_c <= 'F')
+ pkt_buf[j] = tmp_val * 16 + tmp_c - 'A' + 10;
+ if (tmp_c >= '0' && tmp_c <= '9')
+ pkt_buf[j] = tmp_val * 16 + tmp_c - '0';
+
+ tmp_c = raw_mask[i];
+ if (tmp_c >= 'a' && tmp_c <= 'f')
+ tmp_val = tmp_c - 0x57;
+ if (tmp_c >= 'A' && tmp_c <= 'F')
+ tmp_val = tmp_c - 0x37;
+ if (tmp_c >= '0' && tmp_c <= '9')
+ tmp_val = tmp_c - '0';
+
+ tmp_c = raw_mask[i + 1];
+ if (tmp_c >= 'a' && tmp_c <= 'f')
+ msk_buf[j] = tmp_val * 16 + tmp_c - 'a' + 10;
+ if (tmp_c >= 'A' && tmp_c <= 'F')
+ msk_buf[j] = tmp_val * 16 + tmp_c - 'A' + 10;
+ if (tmp_c >= '0' && tmp_c <= '9')
+ msk_buf[j] = tmp_val * 16 + tmp_c - '0';
+ }
+}
+
static int
avf_flow_add (u32 dev_instance, vnet_flow_t *f, avf_flow_entry_t *fe)
{
@@ -112,13 +212,15 @@ avf_flow_add (u32 dev_instance, vnet_flow_t *f, avf_flow_entry_t *fe)
u16 src_port_mask = 0, dst_port_mask = 0;
u8 protocol = IP_PROTOCOL_RESERVED;
bool fate = false;
+ bool is_fdir = true;
struct avf_flow_error error;
int layer = 0;
int action_count = 0;
- struct avf_fdir_vc_ctx vc_ctx;
+ struct avf_flow_vc_ctx vc_ctx;
struct avf_fdir_conf *filter;
+ struct virtchnl_rss_cfg *rss_cfg;
struct avf_flow_item avf_items[VIRTCHNL_MAX_NUM_PROTO_HDRS];
struct avf_flow_action avf_actions[VIRTCHNL_MAX_NUM_ACTIONS];
@@ -133,6 +235,7 @@ avf_flow_add (u32 dev_instance, vnet_flow_t *f, avf_flow_entry_t *fe)
struct avf_flow_action_queue act_q = {};
struct avf_flow_action_mark act_msk = {};
+ struct avf_flow_action_rss act_rss = {};
enum
{
@@ -140,6 +243,7 @@ avf_flow_add (u32 dev_instance, vnet_flow_t *f, avf_flow_entry_t *fe)
FLOW_ETHERNET_CLASS,
FLOW_IPV4_CLASS,
FLOW_IPV6_CLASS,
+ FLOW_GENERIC_CLASS,
} flow_class = FLOW_UNKNOWN_CLASS;
if (FLOW_IS_ETHERNET_CLASS (f))
@@ -148,6 +252,8 @@ avf_flow_add (u32 dev_instance, vnet_flow_t *f, avf_flow_entry_t *fe)
flow_class = FLOW_IPV4_CLASS;
else if (FLOW_IS_IPV6_CLASS (f))
flow_class = FLOW_IPV6_CLASS;
+ else if (FLOW_IS_GENERIC_CLASS (f))
+ flow_class = FLOW_GENERIC_CLASS;
else
return VNET_FLOW_ERROR_NOT_SUPPORTED;
@@ -158,13 +264,32 @@ avf_flow_add (u32 dev_instance, vnet_flow_t *f, avf_flow_entry_t *fe)
goto done;
}
+ ret = avf_rss_cfg_create (&rss_cfg, 0);
+ if (ret)
+ {
+ rv = VNET_FLOW_ERROR_INTERNAL;
+ goto done;
+ }
+
/* init a virtual channel context */
vc_ctx.vc_hdl = &dev_instance;
- vc_ctx.vc_op = avf_fdir_vc_op_callback;
+ vc_ctx.vc_op = avf_flow_vc_op_callback;
clib_memset (avf_items, 0, sizeof (avf_actions));
clib_memset (avf_actions, 0, sizeof (avf_actions));
+ /* Handle generic flow first */
+ if (flow_class == FLOW_GENERIC_CLASS)
+ {
+ avf_items[layer].is_generic = true;
+ avf_items[layer].spec = f->generic.pattern.spec;
+ avf_items[layer].mask = f->generic.pattern.mask;
+
+ layer++;
+
+ goto pattern_end;
+ }
+
/* Ethernet Layer */
avf_items[layer].type = VIRTCHNL_PROTO_HDR_ETH;
avf_items[layer].spec = NULL;
@@ -349,13 +474,6 @@ avf_flow_add (u32 dev_instance, vnet_flow_t *f, avf_flow_entry_t *fe)
pattern_end:
/* pattern end flag */
avf_items[layer].type = VIRTCHNL_PROTO_HDR_NONE;
- ret = avf_fdir_parse_pattern (filter, avf_items, &error);
- if (ret)
- {
- avf_log_err (ad, "avf fdir parse pattern failed: %s", error.message);
- rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
- goto done;
- }
/* Action */
/* Only one 'fate' can be assigned */
@@ -385,6 +503,37 @@ pattern_end:
action_count++;
}
+ if (f->actions & VNET_FLOW_ACTION_RSS)
+ {
+ avf_actions[action_count].conf = &act_rss;
+
+ if ((act_rss.func = avf_flow_convert_rss_func (f->rss_fun)) ==
+ AVF_ETH_HASH_FUNCTION_MAX)
+ {
+ rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+ goto done;
+ }
+
+ if (f->queue_num)
+ {
+ /* convert rss queues to array */
+ avf_flow_convert_rss_queues (f->queue_index, f->queue_num, &act_rss);
+ avf_actions[action_count].type = VIRTCHNL_ACTION_Q_REGION;
+ is_fdir = true;
+ }
+
+ is_fdir = false;
+
+ if (fate == true)
+ {
+ rv = VNET_FLOW_ERROR_INTERNAL;
+ goto done;
+ }
+ else
+ fate = true;
+ action_count++;
+ }
+
if (fate == false)
{
avf_actions[action_count].type = VIRTCHNL_ACTION_PASSTHRU;
@@ -406,14 +555,39 @@ pattern_end:
/* action end flag */
avf_actions[action_count].type = VIRTCHNL_ACTION_NONE;
- /* parse action */
- ret = avf_fdir_parse_action (avf_actions, filter, &error);
- if (ret)
+ /* parse pattern and actions */
+ if (is_fdir)
{
- avf_log_err (ad, "avf fdir parse action failed: %s", error.message);
- rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
- goto done;
- }
+ if (flow_class == FLOW_GENERIC_CLASS)
+ {
+ ret = avf_fdir_parse_generic_pattern (filter, avf_items, &error);
+ if (ret)
+ {
+ avf_log_err (ad, "avf fdir parse generic pattern failed: %s",
+ error.message);
+ rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+ goto done;
+ }
+ }
+ else
+ {
+ ret = avf_fdir_parse_pattern (filter, avf_items, &error);
+ if (ret)
+ {
+ avf_log_err (ad, "avf fdir parse pattern failed: %s",
+ error.message);
+ rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+ goto done;
+ }
+ }
+
+ ret = avf_fdir_parse_action (avf_actions, filter, &error);
+ if (ret)
+ {
+ avf_log_err (ad, "avf fdir parse action failed: %s", error.message);
+ rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+ goto done;
+ }
/* create flow rule, save rule */
ret = avf_fdir_rule_create (&vc_ctx, filter);
@@ -428,7 +602,58 @@ pattern_end:
else
{
fe->rcfg = filter;
+ fe->flow_type_flag = 1;
+ }
+ }
+ else
+ {
+ if (flow_class == FLOW_GENERIC_CLASS)
+ {
+ ret = avf_rss_parse_generic_pattern (rss_cfg, avf_items, &error);
+ if (ret)
+ {
+ avf_log_err (ad, "avf rss parse generic pattern failed: %s",
+ error.message);
+ rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+ goto done;
+ }
+ }
+ else
+ {
+ ret = avf_rss_parse_pattern (rss_cfg, avf_items, &error);
+ if (ret)
+ {
+ avf_log_warn (ad,
+ "avf rss is not supported except generic flow");
+ rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+ goto done;
+ }
+ }
+
+ ret = avf_rss_parse_action (avf_actions, rss_cfg, &error);
+ if (ret)
+ {
+ avf_log_err (ad, "avf rss parse action failed: %s", error.message);
+ rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+ goto done;
+ }
+
+ /* create flow rule, save rule */
+ ret = avf_rss_rule_create (&vc_ctx, rss_cfg);
+
+ if (ret)
+ {
+ avf_log_err (ad, "avf rss rule create failed");
+ rv = VNET_FLOW_ERROR_INTERNAL;
+ goto done;
+ }
+ else
+ {
+ fe->rss_cfg = rss_cfg;
+ fe->flow_type_flag = 0;
+ }
}
+
done:
return rv;
@@ -495,6 +720,7 @@ avf_flow_ops_fn (vnet_main_t *vm, vnet_flow_dev_op_t op, u32 dev_instance,
case VNET_FLOW_TYPE_IP4_L2TPV3OIP:
case VNET_FLOW_TYPE_IP4_IPSEC_ESP:
case VNET_FLOW_TYPE_IP4_IPSEC_AH:
+ case VNET_FLOW_TYPE_GENERIC:
if ((rv = avf_flow_add (dev_instance, flow, fe)))
goto done;
break;
@@ -509,13 +735,22 @@ avf_flow_ops_fn (vnet_main_t *vm, vnet_flow_dev_op_t op, u32 dev_instance,
{
fe = vec_elt_at_index (ad->flow_entries, *private_data);
- struct avf_fdir_vc_ctx ctx;
+ struct avf_flow_vc_ctx ctx;
ctx.vc_hdl = &dev_instance;
- ctx.vc_op = avf_fdir_vc_op_callback;
+ ctx.vc_op = avf_flow_vc_op_callback;
- rv = avf_fdir_rule_destroy (&ctx, fe->rcfg);
- if (rv)
- return VNET_FLOW_ERROR_INTERNAL;
+ if (fe->flow_type_flag)
+ {
+ rv = avf_fdir_rule_destroy (&ctx, fe->rcfg);
+ if (rv)
+ return VNET_FLOW_ERROR_INTERNAL;
+ }
+ else
+ {
+ rv = avf_rss_rule_destroy (&ctx, fe->rss_cfg);
+ if (rv)
+ return VNET_FLOW_ERROR_INTERNAL;
+ }
if (fe->mark)
{
@@ -525,6 +760,7 @@ avf_flow_ops_fn (vnet_main_t *vm, vnet_flow_dev_op_t op, u32 dev_instance,
}
(void) avf_fdir_rcfg_destroy (fe->rcfg);
+ (void) avf_rss_rcfg_destroy (fe->rss_cfg);
clib_memset (fe, 0, sizeof (*fe));
pool_put (ad->flow_entries, fe);
goto disable_rx_offload;