* - 1 = Malformed L4
* - 2 = L4 Checksum Error: the L4 checksum value is
* - 3 = UDP Length Error: The UDP length field would
- * make the UDP data longer than what remains in
- * the IP packet (as defined by the IP header
- * length field).
+ * make the UDP data longer than what remains in
+ * the IP packet (as defined by the IP header
+ * length field).
* - 4 = Bad L4 Port: either the source or destination
- * TCP/UDP port is 0.
+ * TCP/UDP port is 0.
* - 8 = TCP FIN Only: the packet is TCP and only the
- * FIN flag set.
+ * FIN flag set.
* - 9 = TCP No Flags: the packet is TCP and no flags
- * are set.
+ * are set.
* - 10 = TCP FIN RST: the packet is TCP and both FIN
- * and RST are set.
+ * and RST are set.
* - 11 = TCP SYN URG: the packet is TCP and both SYN
- * and URG are set.
+ * and URG are set.
* - 12 = TCP SYN RST: the packet is TCP and both SYN
- * and RST are set.
+ * and RST are set.
* - 13 = TCP SYN FIN: the packet is TCP and both SYN
- * and FIN are set.
+ * and FIN are set.
*/
uint64_t L4_error:1;
/* set if the packet is a fragment */
* failure indicated in err_code below, decode:
*
* - 1 = Not IP: the IP version field is neither 4 nor
- * 6.
+ * 6.
* - 2 = IPv4 Header Checksum Error: the IPv4 header
- * has a checksum violation.
+ * has a checksum violation.
* - 3 = IP Malformed Header: the packet is not long
- * enough to contain the IP header.
+ * enough to contain the IP header.
* - 4 = IP Malformed: the packet is not long enough
* to contain the bytes indicated by the IP
* header. Pad is allowed.
* - 5 = IP TTL Hop: the IPv4 TTL field or the IPv6
- * Hop Count field are zero.
+ * Hop Count field are zero.
* - 6 = IP Options
*/
uint64_t IP_exc:1;
* decode:
*
* - 1 = partial error: a packet was partially
- * received, but internal buffering / bandwidth
- * was not adequate to receive the entire
- * packet.
+ * received, but internal buffering / bandwidth
+ * was not adequate to receive the entire
+ * packet.
* - 2 = jabber error: the RGMII packet was too large
- * and is truncated.
+ * and is truncated.
* - 3 = overrun error: the RGMII packet is longer
- * than allowed and had an FCS error.
+ * than allowed and had an FCS error.
* - 4 = oversize error: the RGMII packet is longer
- * than allowed.
+ * than allowed.
* - 5 = alignment error: the RGMII packet is not an
- * integer number of bytes
- * and had an FCS error (100M and 10M only).
+ * integer number of bytes
+ * and had an FCS error (100M and 10M only).
* - 6 = fragment error: the RGMII packet is shorter
- * than allowed and had an FCS error.
+ * than allowed and had an FCS error.
* - 7 = GMX FCS error: the RGMII packet had an FCS
- * error.
+ * error.
* - 8 = undersize error: the RGMII packet is shorter
- * than allowed.
+ * than allowed.
* - 9 = extend error: the RGMII packet had an extend
- * error.
+ * error.
* - 10 = length mismatch error: the RGMII packet had
- * a length that did not match the length field
- * in the L2 HDR.
+ * a length that did not match the length field
+ * in the L2 HDR.
* - 11 = RGMII RX error/SPI4 DIP4 Error: the RGMII
- * packet had one or more data reception errors
- * (RXERR) or the SPI4 packet had one or more
- * DIP4 errors.
+ * packet had one or more data reception errors
+ * (RXERR) or the SPI4 packet had one or more
+ * DIP4 errors.
* - 12 = RGMII skip error/SPI4 Abort Error: the RGMII
- * packet was not large enough to cover the
- * skipped bytes or the SPI4 packet was
- * terminated with an About EOPS.
+ * packet was not large enough to cover the
+ * skipped bytes or the SPI4 packet was
+ * terminated with an About EOPS.
* - 13 = RGMII nibble error/SPI4 Port NXA Error: the
- * RGMII packet had a studder error (data not
- * repeated - 10/100M only) or the SPI4 packet
- * was sent to an NXA.
+ * RGMII packet had a studder error (data not
+ * repeated - 10/100M only) or the SPI4 packet
+ * was sent to an NXA.
* - 16 = FCS error: a SPI4.2 packet had an FCS error.
* - 17 = Skip error: a packet was not large enough to
- * cover the skipped bytes.
+ * cover the skipped bytes.
* - 18 = L2 header malformed: the packet is not long
- * enough to contain the L2.
+ * enough to contain the L2.
*/
uint64_t rcv_error:1;
/*****************************************************************
* WORD 0
- * HW WRITE: the following 64 bits are filled by HW when a packet arrives
+ * HW WRITE: the following 64 bits are filled by HW when a packet arrives
*/
/**
/**
* Next pointer used by hardware for list maintenance.
* May be written/read by HW before the work queue
- * entry is scheduled to a PP
+ * entry is scheduled to a PP
* (Only 36 bits used in Octeon 1)
*/
uint64_t next_ptr:40;
/*****************************************************************
* WORD 1
- * HW WRITE: the following 64 bits are filled by HW when a packet arrives
+ * HW WRITE: the following 64 bits are filled by HW when a packet arrives
*/
/**
/**
* WORD 2 HW WRITE: the following 64-bits are filled in by
- * hardware when a packet arrives This indicates a variety of
- * status and error conditions.
+ * hardware when a packet arrives This indicates a variety of
+ * status and error conditions.
*/
cvmx_pip_wqe_word2 word2;
union cvmx_buf_ptr packet_ptr;
/**
- * HW WRITE: octeon will fill in a programmable amount from the
- * packet, up to (at most, but perhaps less) the amount
- * needed to fill the work queue entry to 128 bytes
+ * HW WRITE: octeon will fill in a programmable amount from the
+ * packet, up to (at most, but perhaps less) the amount
+ * needed to fill the work queue entry to 128 bytes
*
- * If the packet is recognized to be IP, the hardware starts
- * (except that the IPv4 header is padded for appropriate
- * alignment) writing here where the IP header starts. If the
- * packet is not recognized to be IP, the hardware starts
- * writing the beginning of the packet here.
+ * If the packet is recognized to be IP, the hardware starts
+ * (except that the IPv4 header is padded for appropriate
+ * alignment) writing here where the IP header starts. If the
+ * packet is not recognized to be IP, the hardware starts
+ * writing the beginning of the packet here.
*/
uint8_t packet_data[96];
projects / linux-drm-fsl-dcu.git / blobdiff