/* * Feature activation handlers. * * These all use an u64 argument, to provide enough room for NN/SP features. At * this stage the negotiated values have been checked to be within their range. */ static int dccp_hdlr_ccid(struct sock *sk, u64 ccid, bool rx) { struct dccp_sock *dp = dccp_sk(sk); struct ccid *new_ccid = ccid_new(ccid, sk, rx); if (new_ccid == NULL) return -ENOMEM; if (rx) { ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk); dp->dccps_hc_rx_ccid = new_ccid; } else { ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk); dp->dccps_hc_tx_ccid = new_ccid; } return 0; }
struct ccid *ccid_hc_tx_new(unsigned char id,struct sock *sk, gfp_t gfp) { return ccid_new(id, sk, 0, gfp); }