#include <errno.h>
#include <stdlib.h>
#include <string.h>
-#include <poll.h>
#include <netinet/in.h>
#include <net/if.h>
#include <sys/socket.h>
#define PF_XDP AF_XDP
#endif
-RTE_LOG_REGISTER(af_xdp_logtype, pmd.net.af_xdp, NOTICE);
+RTE_LOG_REGISTER_DEFAULT(af_xdp_logtype, NOTICE);
#define AF_XDP_LOG(level, fmt, args...) \
rte_log(RTE_LOG_ ## level, af_xdp_logtype, \
nb_pkts = xsk_ring_cons__peek(rx, nb_pkts, &idx_rx);
if (nb_pkts == 0) {
- if (rx_syscall_needed(&rxq->fq, rxq->busy_budget))
+ /* we can assume a kernel >= 5.11 is in use if busy polling is
+ * enabled and thus we can safely use the recvfrom() syscall
+ * which is only supported for AF_XDP sockets in kernels >=
+ * 5.11.
+ */
+ if (rxq->busy_budget) {
(void)recvfrom(xsk_socket__fd(rxq->xsk), NULL, 0,
- MSG_DONTWAIT, NULL, NULL);
+ MSG_DONTWAIT, NULL, NULL);
+ } else if (xsk_ring_prod__needs_wakeup(fq)) {
+ (void)poll(&rxq->fds[0], 1, 1000);
+ }
return 0;
}
if (nb_pkts == 0) {
#if defined(XDP_USE_NEED_WAKEUP)
if (xsk_ring_prod__needs_wakeup(fq))
- (void)recvfrom(xsk_socket__fd(rxq->xsk), NULL, 0,
- MSG_DONTWAIT, NULL, NULL);
+ (void)poll(rxq->fds, 1, 1000);
#endif
return 0;
}