[LWIP] sync lwip src from iot sdk ezviz_m50 and wifi6 rf lib

git addr:git@code.bouffalolab.com:bouffalo_sw/customer/ezviz_bl618_m50.git
wifi6:git@code.bouffalolab.com:bouffalo_sw/wifi/fhost6/wifi6.git
branch:c_ezviz_bl618m50
commit ID:4dd5b470de09a3717e8e1b9dc3269e6cd6b4528c
bl6macsw:git@code.bouffalolab.com:bouffalo_sw/wifi/fhost6/bl6_macsw.git
branch:c_ezviz_bl618m50
commit ID:0a64ffd1377f566b0465155227b8357f36c4fd85
rf:git@code.bouffalolab.com:bouffalo_sw/wireless/bl616_phy.git
branch:debug/debug_fw
commit ID:b173ce726802d6e790515b000ddb3fb94f89a352

components/net/lwip/lwip/bouffalo.mk

@@ -43,6 +43,7 @@ endif
 
 ifeq ($(CONFIG_IPV6), 1)
 COMPONENT_SRCDIRS += src/core/ipv6
+CPPFLAGS += -D CFG_IPV6
 endif
 
 ifeq ($(CONFIG_OTBR),1)

components/net/lwip/lwip/bugkiller/bugkiller_socket_dump.inc

@@ -55,20 +55,20 @@ void __attribute__((section(".bugkiller_code"))) bugkiller_sockets_dump()
 	case NETCONN_UDP:
 	    printf(lwip_bugkiller_format[0], i);
 	    printf(lwip_bugkiller_format[1],
-		   ip4addr_ntoa((const ip4_addr_t *) &sockets[i].conn->pcb.udp->local_ip.addr),
+		   ip4addr_ntoa((const ip4_addr_t *) &sockets[i].conn->pcb.udp->local_ip),
 		   sockets[i].conn->pcb.udp->local_port);
 	    printf(lwip_bugkiller_format[6],
-		   ip4addr_ntoa((const ip4_addr_t *) &sockets[i].conn->pcb.udp->remote_ip.addr),
+		   ip4addr_ntoa((const ip4_addr_t *) &sockets[i].conn->pcb.udp->remote_ip),
 		   sockets[i].conn->pcb.udp->remote_port);
 	    break;
 	case NETCONN_TCP:
 	    printf(lwip_bugkiller_format[3], i);
 	    printf(lwip_bugkiller_format[1],
-		   ip4addr_ntoa((const ip4_addr_t *) &sockets[i].conn->pcb.udp->local_ip.addr),
+		   ip4addr_ntoa((const ip4_addr_t *) &sockets[i].conn->pcb.udp->local_ip),
 		   sockets[i].conn->pcb.tcp->local_port);
 	    if(sockets[i].conn->pcb.tcp->state != LISTEN) {
 		printf(lwip_bugkiller_format[2],
-		       ip4addr_ntoa((const ip4_addr_t *) &sockets[i].conn->pcb.tcp->remote_ip.addr),
+		       ip4addr_ntoa((const ip4_addr_t *) &sockets[i].conn->pcb.tcp->remote_ip),
 		       sockets[i].conn->pcb.tcp->remote_port);
 	    }
 	    puts(lwip_bugkiller_tcp_state[sockets[i].conn->pcb.tcp->state]);

components/net/lwip/lwip/bugkiller/bugkiller_tcp_dump.inc

@@ -40,6 +40,6 @@ void __attribute__((section(".bugkiller_code"))) bugkiller_tcp_seg_dump(void *s)
 
 void __attribute__((section(".bugkiller_code"))) bugkiller_tcp_listen_dump(unsigned long accept_num,void *s)
 {
-    struct tcp_pcb_listen *listen_pcb = (struct tcp_pcb_listen *)s;
+    //struct tcp_pcb_listen *listen_pcb = (struct tcp_pcb_listen *)s;
     printf(lwip_bugkiller_tcp_listen_format[0], accept_num);
 }

components/net/lwip/lwip/src/api/sockets.c

@@ -2106,7 +2106,7 @@ lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
           LWIP_ASSERT("socket gone at the end of select", sock != NULL);
           if (sock != NULL) {
             /* for now, handle select_waiting==0... */
-            LWIP_ASSERT("sock->select_waiting > 0", sock->select_waiting > 0);
+            // LWIP_ASSERT("sock->select_waiting > 0", sock->select_waiting > 0);
             if (sock->select_waiting > 0) {
               sock->select_waiting--;
             }
@@ -2229,7 +2229,7 @@ lwip_pollscan(struct pollfd *fds, nfds_t nfds, enum lwip_pollscan_opts opts)
           }
         } else if ((opts & LWIP_POLLSCAN_DEC_WAIT) != 0) {
           /* for now, handle select_waiting==0... */
-          LWIP_ASSERT("sock->select_waiting > 0", sock->select_waiting > 0);
+          // LWIP_ASSERT("sock->select_waiting > 0", sock->select_waiting > 0);
           if (sock->select_waiting > 0) {
             sock->select_waiting--;
           }

components/net/lwip/lwip/src/core/ipv4/dhcp.c

@@ -1252,11 +1252,9 @@ dhcp_bind(struct netif *netif)
     dhcp_set_state(dhcp, DHCP_STATE_BOUND);
 
     netif->addr_ext.arp_for_us_disable = 0;
-    if(netif->addr_ext.dhcp_qc_callback && !ip4_addr_cmp(netif_ip4_addr(netif), &dhcp->offered_ip_addr)) {
-        netif_set_addr(netif, &dhcp->offered_ip_addr, &sn_mask, &gw_addr);
+    netif_set_addr(netif, &dhcp->offered_ip_addr, &sn_mask, &gw_addr);
+    if (netif->addr_ext.dhcp_qc_callback) {
         netif->addr_ext.dhcp_qc_callback(netif);
-    } else {
-        netif_set_addr(netif, &dhcp->offered_ip_addr, &sn_mask, &gw_addr);
     }
     /* interface is used by routing now that an address is set */
     // Add dhcp_timer_coarse_needed to fix the timer runs when WiFi have not connected

components/net/lwip/lwip/src/netif/lowpan6.c

@@ -474,7 +474,7 @@ lowpan6_frag(struct netif *netif, struct pbuf *p, const struct lowpan6_link_addr
 
     /* Calculate frame length */
     p_frag->len = p_frag->tot_len = frag_len + lowpan6_header_len + ieee_header_len + 2;
-    LWIP_ASSERT("", p_frag->len <= 127);
+    LWIP_ASSERT("frame must be less than 127", p_frag->len <= 127);
 
     /* 2 bytes CRC */
     crc = LWIP_6LOWPAN_DO_CALC_CRC(p_frag->payload, p_frag->len - 2);