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Differential D10385 Diff 27424 sys/dev/axgbe/xgbe-drv.c

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sys/dev/axgbe/xgbe-drv.c

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{ {
struct xgbe_prv_data *pdata = channel->pdata; struct xgbe_prv_data *pdata = channel->pdata;
struct xgbe_hw_if *hw_if = &pdata->hw_if; struct xgbe_hw_if *hw_if = &pdata->hw_if;
struct xgbe_ring *ring = channel->rx_ring; struct xgbe_ring *ring = channel->rx_ring;
struct xgbe_ring_data *rdata; struct xgbe_ring_data *rdata;
struct xgbe_packet_data *packet; struct xgbe_packet_data *packet;
struct ifnet *ifp = pdata->netdev; struct ifnet *ifp = pdata->netdev;
struct mbuf *m; struct mbuf *m;
unsigned int incomplete, context_next, context; unsigned int incomplete, context_next;
unsigned int received = 0; unsigned int received = 0;
int packet_count = 0; int packet_count = 0;
DBGPR("-->xgbe_rx_poll: budget=%d\n", budget); DBGPR("-->xgbe_rx_poll: budget=%d\n", budget);
/* Nothing to do if there isn't a Rx ring for this channel */ /* Nothing to do if there isn't a Rx ring for this channel */
if (!ring) if (!ring)
return 0; return 0;
Show All 21 Linesread_again:
ring->cur++; ring->cur++;
incomplete = XGMAC_GET_BITS(packet->attributes, incomplete = XGMAC_GET_BITS(packet->attributes,
RX_PACKET_ATTRIBUTES, RX_PACKET_ATTRIBUTES,
INCOMPLETE); INCOMPLETE);
context_next = XGMAC_GET_BITS(packet->attributes, context_next = XGMAC_GET_BITS(packet->attributes,
RX_PACKET_ATTRIBUTES, RX_PACKET_ATTRIBUTES,
CONTEXT_NEXT); CONTEXT_NEXT);
context = XGMAC_GET_BITS(packet->attributes,
RX_PACKET_ATTRIBUTES,
CONTEXT);
/* Earlier error, just drain the remaining data */ /* Earlier error, just drain the remaining data */
if (incomplete || context_next) { if (incomplete || context_next) {
goto read_again; goto read_again;
} }
if (packet->errors) { if (packet->errors) {
rdata->mbuf_free = 1; rdata->mbuf_free = 1;
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