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-rw-r--r--VNFs/DPPD-PROX/handle_l2fwd.c28
-rw-r--r--VNFs/DPPD-PROX/handle_swap.c36
-rw-r--r--VNFs/DPPD-PROX/prox_args.c2
3 files changed, 39 insertions, 27 deletions
diff --git a/VNFs/DPPD-PROX/handle_l2fwd.c b/VNFs/DPPD-PROX/handle_l2fwd.c
index 79a5f02e..faebe6fb 100644
--- a/VNFs/DPPD-PROX/handle_l2fwd.c
+++ b/VNFs/DPPD-PROX/handle_l2fwd.c
@@ -69,17 +69,21 @@ static void init_task_l2fwd(struct task_base *tbase, struct task_args *targ)
struct ether_addr *src_addr, *dst_addr;
/*
- * Destination MAC can come from
- * - pre-configured mac in case 'dst mac=xx:xx:xx:xx:xx:xx' in config file
- * - src mac from the packet in case 'dst mac=packet' in config file
- * - not written in case 'dst mac=no' in config file
- * - (default - no 'dst mac') src mac from the packet
- * Source MAC can come from
- * - pre-configured mac in case 'src mac=xx:xx:xx:xx:xx:xx' in config file
- * - dst mac from the packet in case 'src mac=packet' in config file
- * - not written in case 'src mac=no' in config file
- * - (default - no 'src mac') if (tx_port) port mac
- * - (default - no 'src mac') if (no tx_port) dst mac from the packet
+ * The destination MAC of the outgoing packet is based on the config file:
+ * - 'dst mac=xx:xx:xx:xx:xx:xx' => the pre-configured mac will be used as dst mac
+ * - 'dst mac=packet' => the src mac of the incoming packet is used as dst mac
+ * - 'dst mac=no' => the dst mac is untouched
+ * - (default - no 'dst mac') => the src mac from the incoming packet is used as dst mac
+ *
+ * The source MAC of the outgoing packet is based on the config file:
+ * - 'src mac=xx:xx:xx:xx:xx:xx' => the pre-configured mac will be used as src mac
+ * - 'src mac=packet' => the dst mac of the incoming packet is used as src mac
+ * - 'src mac=hw' => the mac address of the tx port is used as src mac
+ * An error is returned if there are no physical tx ports
+ * - 'src mac=no' => the src mac is untouched
+ * - (default - no 'src mac') => if there is physical tx port, the mac of that port is used as src mac
+ * - (default - no 'src mac') if there are no physical tx ports the dst mac of the incoming packet
+ is used as src mac
*/
if (targ->flags & TASK_ARG_DST_MAC_SET) {
@@ -92,6 +96,8 @@ static void init_task_l2fwd(struct task_base *tbase, struct task_args *targ)
memcpy(&task->src_dst_mac[6], src_addr, sizeof(*dst_addr));
plog_info("\t\tCore %d: src mac set from config file\n", targ->lconf->id);
} else if ((targ->flags & TASK_ARG_DO_NOT_SET_SRC_MAC) == 0) {
+ if (targ->flags & TASK_ARG_HW_SRC_MAC)
+ PROX_PANIC(targ->nb_txports == 0, "src mac set to hw but no tx port\n");
if (targ->nb_txports) {
src_addr = &prox_port_cfg[task->base.tx_params_hw.tx_port_queue[0].port].eth_addr;
targ->flags |= TASK_ARG_SRC_MAC_SET;
diff --git a/VNFs/DPPD-PROX/handle_swap.c b/VNFs/DPPD-PROX/handle_swap.c
index 516d3f63..68dfe2b4 100644
--- a/VNFs/DPPD-PROX/handle_swap.c
+++ b/VNFs/DPPD-PROX/handle_swap.c
@@ -203,17 +203,18 @@ static void init_task_swap(struct task_base *tbase, struct task_args *targ)
struct ether_addr *src_addr, *dst_addr;
/*
- * Destination MAC can come from
- * - pre-configured mac in case 'dst mac=xx:xx:xx:xx:xx:xx' in config file
- * - src mac from the packet in case 'dst mac=packet' in config file
- * - not written in case 'dst mac=no' in config file
- * - (default - no 'dst mac') src mac from the packet
- * Source MAC can come from
- * - pre-configured mac in case 'src mac=xx:xx:xx:xx:xx:xx' in config file
- * - dst mac from the packet in case 'src mac=packet' in config file
- * - not written in case 'src mac=no' in config file
- * - (default - no 'src mac') if (tx_port) port mac
- * - (default - no 'src mac') if (no tx_port) dst mac from the packet
+ * The destination MAC of the outgoing packet is based on the config file:
+ * - 'dst mac=xx:xx:xx:xx:xx:xx' => the pre-configured mac will be used as dst mac
+ * - 'dst mac=packet' => the src mac of the incoming packet is used as dst mac
+ * - (default - no 'dst mac') => the src mac from the incoming packet is used as dst mac
+ *
+ * The source MAC of the outgoing packet is based on the config file:
+ * - 'src mac=xx:xx:xx:xx:xx:xx' => the pre-configured mac will be used as src mac
+ * - 'src mac=packet' => the dst mac of the incoming packet is used as src mac
+ * - 'src mac=hw' => the mac address of the tx port is used as src mac
+ * An error is returned if there are no physical tx ports
+ * - (default - no 'src mac') => if there is physical tx port, the mac of that port is used as src mac
+ * - (default - no 'src mac') if there are no physical tx ports the dst mac of the incoming packet
*/
if (targ->flags & TASK_ARG_DST_MAC_SET) {
@@ -221,14 +222,19 @@ static void init_task_swap(struct task_base *tbase, struct task_args *targ)
memcpy(&task->src_dst_mac[0], dst_addr, sizeof(*src_addr));
}
+ PROX_PANIC(targ->flags & TASK_ARG_DO_NOT_SET_SRC_MAC, "src mac must be set in swap mode, by definition => src mac=no is not supported\n");
+ PROX_PANIC(targ->flags & TASK_ARG_DO_NOT_SET_DST_MAC, "dst mac must be set in swap mode, by definition => dst mac=no is not supported\n");
+
if (targ->flags & TASK_ARG_SRC_MAC_SET) {
src_addr = &targ->esaddr;
memcpy(&task->src_dst_mac[6], src_addr, sizeof(*dst_addr));
plog_info("\t\tCore %d: src mac set from config file\n", targ->lconf->id);
- } else if (targ->nb_txports) {
- src_addr = &prox_port_cfg[task->base.tx_params_hw.tx_port_queue[0].port].eth_addr;
- memcpy(&task->src_dst_mac[6], src_addr, sizeof(*dst_addr));
- if (targ->flags & TASK_ARG_HW_SRC_MAC){
+ } else {
+ if (targ->flags & TASK_ARG_HW_SRC_MAC)
+ PROX_PANIC(targ->nb_txports == 0, "src mac set to hw but no tx port\n");
+ if (targ->nb_txports) {
+ src_addr = &prox_port_cfg[task->base.tx_params_hw.tx_port_queue[0].port].eth_addr;
+ memcpy(&task->src_dst_mac[6], src_addr, sizeof(*dst_addr));
targ->flags |= TASK_ARG_SRC_MAC_SET;
plog_info("\t\tCore %d: src mac set from port\n", targ->lconf->id);
}
diff --git a/VNFs/DPPD-PROX/prox_args.c b/VNFs/DPPD-PROX/prox_args.c
index bbe27382..e6d2f83e 100644
--- a/VNFs/DPPD-PROX/prox_args.c
+++ b/VNFs/DPPD-PROX/prox_args.c
@@ -1292,7 +1292,7 @@ static int get_core_cfg(unsigned sindex, char *str, void *data)
}
else if (STR_EQ(pkey, "packet"))
return 0;
- else if (STR_EQ(pkey, "packet")) {
+ else if (STR_EQ(pkey, "hw")) {
targ->flags |= TASK_ARG_HW_SRC_MAC;
return 0;
} else {