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Modified ETHERNET DRIVER: deleted the classifier, classification is done by marking. Changed netlink reading code in pdcp_fifo.c

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4007 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Lionel Gauthier
2013-07-03 16:11:31 +00:00
parent d44ccd24ab
commit f6e664af4c
22 changed files with 2057 additions and 3611 deletions
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openair1/SIMULATION/ETH_TRANSPORT/netlink_init.c
+56 -28
View File
@@ -16,12 +16,19 @@
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#define MAX_PAYLOAD 4096 /* this sould cover the max mtu size*/
#include <errno.h>
#include "platform_constants.h"
char nl_rx_buf[NL_MAX_PAYLOAD];
struct sockaddr_nl nas_src_addr, nas_dest_addr;
struct nlmsghdr *nas_nlh = NULL;
struct iovec nas_iov;
struct nlmsghdr *nas_nlh_tx = NULL;
struct nlmsghdr *nas_nlh_rx = NULL;
struct iovec nas_iov_tx;
struct iovec nas_iov_rx = {nl_rx_buf, sizeof(nl_rx_buf)};
int nas_sock_fd;
struct msghdr nas_msg;
struct msghdr nas_msg_tx;
struct msghdr nas_msg_rx;
#define GRAAL_NETLINK_ID 31
@@ -39,36 +46,57 @@ int netlink_init(void)
ret = fcntl(nas_sock_fd,F_SETFL,O_NONBLOCK);
printf("[NETLINK] fcntl returns %d\n",ret);
memset(&nas_src_addr, 0, sizeof(nas_src_addr));
nas_src_addr.nl_family = AF_NETLINK;
nas_src_addr.nl_pid = 1;//getpid(); /* self pid */
nas_src_addr.nl_groups = 0; /* not in mcast groups */
ret = bind(nas_sock_fd, (struct sockaddr *)&nas_src_addr,
sizeof(nas_src_addr));
nas_sock_fd = socket(PF_NETLINK, SOCK_RAW,GRAAL_NETLINK_ID);
if (nas_sock_fd==-1) {
printf("[NETLINK] Error opening socket %d (%d:%s)\n",nas_sock_fd,errno, strerror(errno));
exit(1);
}
printf("[NETLINK]Opened socket with fd %d\n",nas_sock_fd);
printf("[NETLINK] bind returns %d\n",ret);
if (ret == -1) {
printf("[NETLINK] Error fcntl (%d:%s)\n",errno, strerror(errno));
exit(1);
}
memset(&nas_dest_addr, 0, sizeof(nas_dest_addr));
nas_dest_addr.nl_family = AF_NETLINK;
nas_dest_addr.nl_pid = 0; /* For Linux Kernel */
nas_dest_addr.nl_groups = 0; /* unicast */
memset(&nas_src_addr, 0, sizeof(nas_src_addr));
nas_src_addr.nl_family = AF_NETLINK;
nas_src_addr.nl_pid = 1;//getpid(); /* self pid */
nas_src_addr.nl_groups = 0; /* not in mcast groups */
ret = bind(nas_sock_fd, (struct sockaddr*)&nas_src_addr, sizeof(nas_src_addr));
nas_nlh=(struct nlmsghdr *)malloc(NLMSG_SPACE(MAX_PAYLOAD));
/* Fill the netlink message header */
nas_nlh->nlmsg_len = NLMSG_SPACE(MAX_PAYLOAD);
nas_nlh->nlmsg_pid = 1;//getpid(); /* self pid */
nas_nlh->nlmsg_flags = 0;
nas_iov.iov_base = (void *)nas_nlh;
nas_iov.iov_len = nas_nlh->nlmsg_len;
memset(&nas_msg,0,sizeof(nas_msg));
nas_msg.msg_name = (void *)&nas_dest_addr;
nas_msg.msg_namelen = sizeof(nas_dest_addr);
nas_msg.msg_iov = &nas_iov;
nas_msg.msg_iovlen = 1;
/* Read message from kernel */
memset(nas_nlh, 0, NLMSG_SPACE(MAX_PAYLOAD));
memset(&nas_dest_addr, 0, sizeof(nas_dest_addr));
nas_dest_addr.nl_family = AF_NETLINK;
nas_dest_addr.nl_pid = 0; /* For Linux Kernel */
nas_dest_addr.nl_groups = 0; /* unicast */
// TX PART
nas_nlh_tx=(struct nlmsghdr *)malloc(NLMSG_SPACE(NL_MAX_PAYLOAD));
memset(nas_nlh_tx, 0, NLMSG_SPACE(NL_MAX_PAYLOAD));
/* Fill the netlink message header */
nas_nlh_tx->nlmsg_len = NLMSG_SPACE(NL_MAX_PAYLOAD);
nas_nlh_tx->nlmsg_pid = 1;//getpid(); /* self pid */
nas_nlh_tx->nlmsg_flags = 0;
nas_iov_tx.iov_base = (void *)nas_nlh_tx;
nas_iov_tx.iov_len = nas_nlh_tx->nlmsg_len;
memset(&nas_msg_tx,0,sizeof(nas_msg_tx));
nas_msg_tx.msg_name = (void *)&nas_dest_addr;
nas_msg_tx.msg_namelen = sizeof(nas_dest_addr);
nas_msg_tx.msg_iov = &nas_iov_tx;
nas_msg_tx.msg_iovlen = 1;
// RX PART
memset(&nas_msg_rx,0,sizeof(nas_msg_rx));
nas_msg_rx.msg_name = (void *)&nas_src_addr;
nas_msg_rx.msg_namelen = sizeof(nas_src_addr);
nas_msg_rx.msg_iov = &nas_iov_rx;
nas_msg_rx.msg_iovlen = 1;
return(nas_sock_fd);
}