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Lines Matching refs:ipHdr

185 * ipHdr -- pointer to IP header
191 computeTCPChecksum(unsigned char *ipHdr, unsigned char *tcpHdr)
194     UINT16_t count = ipHdr[2] * 256 + ipHdr[3];
199     count -= (ipHdr[0] & 0x0F) * 4;
201     memcpy(pseudoHeader, ipHdr+12, 8);
203     pseudoHeader[9] = ipHdr[9];
246     unsigned char *ipHdr;
264         ipHdr = packet->payload + 1;
276         ipHdr = packet->payload + 2;
288     if ((ipHdr[0] & 0xF0) != 0x40) {
293     if ((ipHdr[6] & 0x1F) || ipHdr[7]) {
298     if (ipHdr[9] != 0x06) {
303     tcpHdr = ipHdr + (ipHdr[0] & 0x0F) * 4;
312     csum = computeTCPChecksum(ipHdr, tcpHdr);
336 		       (unsigned int) ipHdr[12],
337 		       (unsigned int) ipHdr[13],
338 		       (unsigned int) ipHdr[14],
339 		       (unsigned int) ipHdr[15]);
350 		       (unsigned int) ipHdr[12],
351 		       (unsigned int) ipHdr[13],
352 		       (unsigned int) ipHdr[14],
353 		       (unsigned int) ipHdr[15]);
380     csum = computeTCPChecksum(ipHdr, tcpHdr);